57641436 has 48 divisors (see below), whose sum is σ = 149882880. Its totient is φ = 19157040.

The previous prime is 57641417. The next prime is 57641443. The reversal of 57641436 is 63414675.

It is a happy number.

57641436 is a `hidden beast` number, since 5 + 7 + 641 + 4 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57641436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52485 + ... + 53571.

It is an arithmetic number, because the mean of its divisors is an integer number (3122560).

Almost surely, 2^57641436 is an apocalyptic number.

It is an amenable number.

57641436 is an abundant number, since it is smaller than the sum of its proper divisors (92241444).

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

57641436 is a wasteful number, since it uses less digits than its factorization.

57641436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1583 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 57641436 is about 7592.1957298268. The cubic root of 57641436 is about 386.2883381683.

The spelling of 57641436 in words is "fifty-seven million, six hundred forty-one thousand, four hundred thirty-six".