51486232 has 32 divisors (see below), whose sum is σ = 112204800. Its totient is φ = 21690144.

The previous prime is 51486229. The next prime is 51486241. The reversal of 51486232 is 23268415.

It is a junction number, because it is equal to n+sod(n) for n = 51486194 and 51486203.

It is a congruent number.

It is an unprimeable number.

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, 4488 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (3506400).

Almost surely, 2^51486232 is an apocalyptic number.

It is an amenable number.

51486232 is an abundant number, since it is smaller than the sum of its proper divisors (60718568).

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

51486232 is a wasteful number, since it uses less digits than its factorization.

51486232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15655 (or 15651 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 51486232 is about 7175.3907210688. The cubic root of 51486232 is about 372.0177854063.

The spelling of 51486232 in words is "fifty-one million, four hundred eighty-six thousand, two hundred thirty-two".