51763760 has 20 divisors (see below), whose sum is σ = 120350928. Its totient is φ = 20705472.

The previous prime is 51763741. The next prime is 51763763. The reversal of 51763760 is 6736715.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51763760.

It is not an unprimeable number, because it can be changed into a prime (51763763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323444 + ... + 323603.

Almost surely, 2^51763760 is an apocalyptic number.

It is an amenable number.

51763760 is an abundant number, since it is smaller than the sum of its proper divisors (68587168).

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

51763760 is a wasteful number, since it uses less digits than its factorization.

51763760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647060 (or 647054 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 51763760 is about 7194.7036075157. The cubic root of 51763760 is about 372.6850213675.

The spelling of 51763760 in words is "fifty-one million, seven hundred sixty-three thousand, seven hundred sixty".