51900360 has 32 divisors (see below), whose sum is σ = 155701440. Its totient is φ = 13840064.

The previous prime is 51900349. The next prime is 51900367. The reversal of 51900360 is 6300915.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51900360.

It is not an unprimeable number, because it can be changed into a prime (51900367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216132 + ... + 216371.

It is an arithmetic number, because the mean of its divisors is an integer number (4865670).

Almost surely, 2^51900360 is an apocalyptic number.

It is an amenable number.

51900360 is an abundant number, since it is smaller than the sum of its proper divisors (103801080).

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

51900360 is a wasteful number, since it uses less digits than its factorization.

51900360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432517 (or 432513 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 51900360 is about 7204.1904472328. The cubic root of 51900360 is about 373.0125610607.

The spelling of 51900360 in words is "fifty-one million, nine hundred thousand, three hundred sixty".