51285952 has 28 divisors (see below), whose sum is σ = 106198416. Its totient is φ = 24527360.

The previous prime is 51285947. The next prime is 51285953. The reversal of 51285952 is 25958215.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51285953) 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, 15949 + ... + 18892.

Almost surely, 2^51285952 is an apocalyptic number.

It is an amenable number.

51285952 is an abundant number, since it is smaller than the sum of its proper divisors (54912464).

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

51285952 is a wasteful number, since it uses less digits than its factorization.

51285952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34876 (or 34866 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 51285952 is about 7161.4210880244. The cubic root of 51285952 is about 371.5347789825.

The spelling of 51285952 in words is "fifty-one million, two hundred eighty-five thousand, nine hundred fifty-two".