57026431 has 8 divisors (see below), whose sum is σ = 71097984. Its totient is φ = 44436120.

The previous prime is 57026423. The next prime is 57026443. The reversal of 57026431 is 13462075.

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 57026431 - 2³ = 57026423 is a prime.

It is a super-2 number, since 2×57026431² = 6504027665195522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57026431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57026401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370225 + ... + 370378.

It is an arithmetic number, because the mean of its divisors is an integer number (8887248).

Almost surely, 2^57026431 is an apocalyptic number.

57026431 is a deficient number, since it is larger than the sum of its proper divisors (14071553).

57026431 is a wasteful number, since it uses less digits than its factorization.

57026431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740621.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 57026431 is about 7551.5846681342. The cubic root of 57026431 is about 384.9095891598.

The spelling of 57026431 in words is "fifty-seven million, twenty-six thousand, four hundred thirty-one".