53765250 has 256 divisors, whose sum is σ = 179712000. Its totient is φ = 10584000.

The previous prime is 53765213. The next prime is 53765251. The reversal of 53765250 is 5256735.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53765251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2829741 + ... + 2829759.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^53765250 is an apocalyptic number.

53765250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53765250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89856000).

53765250 is an abundant number, since it is smaller than the sum of its proper divisors (125946750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53765250 is a wasteful number, since it uses less digits than its factorization.

53765250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 53765250 is about 7332.4791169154. The cubic root of 53765250 is about 377.4278036868.

The spelling of 53765250 in words is "fifty-three million, seven hundred sixty-five thousand, two hundred fifty".