57426761 has 8 divisors (see below), whose sum is σ = 65688000. Its totient is φ = 49179888.

The previous prime is 57426751. The next prime is 57426763. The reversal of 57426761 is 16762475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57426761 - 2¹⁸ = 57164617 is a prime.

It is a super-2 number, since 2×57426761² = 6595665757902242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57426763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7115 + ... + 12863.

It is an arithmetic number, because the mean of its divisors is an integer number (8211000).

Almost surely, 2^57426761 is an apocalyptic number.

It is an amenable number.

57426761 is a deficient number, since it is larger than the sum of its proper divisors (8261239).

57426761 is a wasteful number, since it uses less digits than its factorization.

57426761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183.

The product of its digits is 70560, while the sum is 38.

The square root of 57426761 is about 7578.0446686464. The cubic root of 57426761 is about 385.8081881441.

The spelling of 57426761 in words is "fifty-seven million, four hundred twenty-six thousand, seven hundred sixty-one".