57136632 has 64 divisors (see below), whose sum is σ = 164236800. Its totient is φ = 16225920.

The previous prime is 57136613. The next prime is 57136661. The reversal of 57136632 is 23663175.

It is a junction number, because it is equal to n+sod(n) for n = 57136593 and 57136602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29469 + ... + 31347.

It is an arithmetic number, because the mean of its divisors is an integer number (2566200).

Almost surely, 2^57136632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57136632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82118400).

57136632 is an abundant number, since it is smaller than the sum of its proper divisors (107100168).

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

57136632 is a wasteful number, since it uses less digits than its factorization.

57136632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2072 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 57136632 is about 7558.8776944729. The cubic root of 57136632 is about 385.1573697470.

The spelling of 57136632 in words is "fifty-seven million, one hundred thirty-six thousand, six hundred thirty-two".