51534232 has 32 divisors (see below), whose sum is σ = 103647600. Its totient is φ = 23946624.

The previous prime is 51534227. The next prime is 51534233. The reversal of 51534232 is 23243515.

It is a junction number, because it is equal to n+sod(n) for n = 51534197 and 51534206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51534233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858 + ... + 11254.

Almost surely, 2^51534232 is an apocalyptic number.

It is an amenable number.

51534232 is an abundant number, since it is smaller than the sum of its proper divisors (52113368).

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

51534232 is a wasteful number, since it uses less digits than its factorization.

51534232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475 (or 6471 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 51534232 is about 7178.7347074537. The cubic root of 51534232 is about 372.1333587459.

Adding to 51534232 its reverse (23243515), we get a palindrome (74777747).

The spelling of 51534232 in words is "fifty-one million, five hundred thirty-four thousand, two hundred thirty-two".