57138416 has 10 divisors (see below), whose sum is σ = 110705712. Its totient is φ = 28569200.

The previous prime is 57138413. The next prime is 57138539. The reversal of 57138416 is 61483175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57138413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785560 + ... + 1785591.

Almost surely, 2^57138416 is an apocalyptic number.

It is an amenable number.

57138416 is a deficient number, since it is larger than the sum of its proper divisors (53567296).

57138416 is a wasteful number, since it uses less digits than its factorization.

57138416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571159 (or 3571153 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 57138416 is about 7558.9957004883. The cubic root of 57138416 is about 385.1613783464.

The spelling of 57138416 in words is "fifty-seven million, one hundred thirty-eight thousand, four hundred sixteen".