57628371 has 8 divisors (see below), whose sum is σ = 76894144. Its totient is φ = 38390760.

The previous prime is 57628369. The next prime is 57628391. The reversal of 57628371 is 17382675.

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

It is not a de Polignac number, because 57628371 - 2¹ = 57628369 is a prime.

It is a super-2 number, since 2×57628371² = 6642058288227282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57628321) 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, 1681 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (9611768).

Almost surely, 2^57628371 is an apocalyptic number.

57628371 is a deficient number, since it is larger than the sum of its proper divisors (19265773).

57628371 is a wasteful number, since it uses less digits than its factorization.

57628371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081.

The product of its digits is 70560, while the sum is 39.

The square root of 57628371 is about 7591.3352580426. The cubic root of 57628371 is about 386.2591506090.

The spelling of 57628371 in words is "fifty-seven million, six hundred twenty-eight thousand, three hundred seventy-one".