51885532 has 24 divisors (see below), whose sum is σ = 92236032. Its totient is φ = 25536000.

The previous prime is 51885511. The next prime is 51885577. The reversal of 51885532 is 23558815.

It is a junction number, because it is equal to n+sod(n) for n = 51885491 and 51885500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86032 + ... + 86632.

It is an arithmetic number, because the mean of its divisors is an integer number (3843168).

Almost surely, 2^51885532 is an apocalyptic number.

It is an amenable number.

51885532 is a deficient number, since it is larger than the sum of its proper divisors (40350500).

51885532 is a wasteful number, since it uses less digits than its factorization.

51885532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 51885532 is about 7203.1612504511. The cubic root of 51885532 is about 372.9770342867.

The spelling of 51885532 in words is "fifty-one million, eight hundred eighty-five thousand, five hundred thirty-two".