57629881 has 8 divisors (see below), whose sum is σ = 63673344. Its totient is φ = 51881280.

The previous prime is 57629867. The next prime is 57629939. The reversal of 57629881 is 18892675.

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

It is not a de Polignac number, because 57629881 - 2¹³ = 57621689 is a prime.

It is a super-2 number, since 2×57629881² = 6642406368148322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57629801) 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, 73305 + ... + 74086.

It is an arithmetic number, because the mean of its divisors is an integer number (7959168).

Almost surely, 2^57629881 is an apocalyptic number.

It is an amenable number.

57629881 is a deficient number, since it is larger than the sum of its proper divisors (6043463).

57629881 is a wasteful number, since it uses less digits than its factorization.

57629881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147431.

The product of its digits is 241920, while the sum is 46.

The square root of 57629881 is about 7591.4347128853. The cubic root of 57629881 is about 386.2625242149.

The spelling of 57629881 in words is "fifty-seven million, six hundred twenty-nine thousand, eight hundred eighty-one".