55025300 has 36 divisors (see below), whose sum is σ = 130262496. Its totient is φ = 20008800.

The previous prime is 55025293. The next prime is 55025309. The reversal of 55025300 is 352055.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55025309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23912 + ... + 26111.

Almost surely, 2^55025300 is an apocalyptic number.

55025300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55025300 is an abundant number, since it is smaller than the sum of its proper divisors (75237196).

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

55025300 is a wasteful number, since it uses less digits than its factorization.

55025300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50048 (or 50041 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 55025300 is about 7417.9040166343. The cubic root of 55025300 is about 380.3535490750.

Adding to 55025300 its reverse (352055), we get a palindrome (55377355).

The spelling of 55025300 in words is "fifty-five million, twenty-five thousand, three hundred".