57542787 has 12 divisors (see below), whose sum is σ = 83183464. Its totient is φ = 38331360.

The previous prime is 57542767. The next prime is 57542809. The reversal of 57542787 is 78724575.

57542787 is a `hidden beast` number, since 575 + 4 + 2 + 78 + 7 = 666.

It is not a de Polignac number, because 57542787 - 2⁸ = 57542531 is a prime.

It is a super-2 number, since 2×57542787² = 6622344671454738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57542707) 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 11 ways as a sum of consecutive naturals, for example, 19128 + ... + 21930.

Almost surely, 2^57542787 is an apocalyptic number.

57542787 is a deficient number, since it is larger than the sum of its proper divisors (25640677).

57542787 is a wasteful number, since it uses less digits than its factorization.

57542787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090 (or 5087 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The square root of 57542787 is about 7585.6962106322. The cubic root of 57542787 is about 386.0678444825.

The spelling of 57542787 in words is "fifty-seven million, five hundred forty-two thousand, seven hundred eighty-seven".