57290977 has 4 divisors (see below), whose sum is σ = 57306816. Its totient is φ = 57275140.

The previous prime is 57290971. The next prime is 57290983. The reversal of 57290977 is 77909275.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (57290971) and next prime (57290983).

It is a cyclic number.

It is not a de Polignac number, because 57290977 - 2²³ = 48902369 is a prime.

It is a super-2 number, since 2×57290977² = 6564512091229058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57290971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468 + ... + 10714.

It is an arithmetic number, because the mean of its divisors is an integer number (14326704).

Almost surely, 2^57290977 is an apocalyptic number.

It is an amenable number.

57290977 is a deficient number, since it is larger than the sum of its proper divisors (15839).

57290977 is a wasteful number, since it uses less digits than its factorization.

57290977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 57290977 is about 7569.0803272260. The cubic root of 57290977 is about 385.5038705443.

The spelling of 57290977 in words is "fifty-seven million, two hundred ninety thousand, nine hundred seventy-seven".