57108477 has 4 divisors (see below), whose sum is σ = 76144640. Its totient is φ = 38072316.

The previous prime is 57108463. The next prime is 57108481. The reversal of 57108477 is 77480175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57108477 - 2⁶ = 57108413 is a prime.

It is a super-2 number, since 2×57108477² = 6522756290519058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57108407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9518077 + ... + 9518082.

It is an arithmetic number, because the mean of its divisors is an integer number (19036160).

Almost surely, 2^57108477 is an apocalyptic number.

It is an amenable number.

57108477 is a deficient number, since it is larger than the sum of its proper divisors (19036163).

57108477 is a wasteful number, since it uses less digits than its factorization.

57108477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19036162.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 57108477 is about 7557.0150853363. The cubic root of 57108477 is about 385.0940951772.

The spelling of 57108477 in words is "fifty-seven million, one hundred eight thousand, four hundred seventy-seven".