57211275 has 48 divisors (see below), whose sum is σ = 106564608. Its totient is φ = 26832000.

The previous prime is 57211241. The next prime is 57211313.

57211275 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57211275 - 2⁶ = 57211211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24457 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (2220096).

Almost surely, 2^57211275 is an apocalyptic number.

57211275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57211275 is a deficient number, since it is larger than the sum of its proper divisors (49353333).

57211275 is a wasteful number, since it uses less digits than its factorization.

57211275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2287 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 57211275 is about 7563.8135222915. The cubic root of 57211275 is about 385.3250192934.

It can be divided in two parts, 5721 and 1275, that added together give a palindrome (6996).

The spelling of 57211275 in words is "fifty-seven million, two hundred eleven thousand, two hundred seventy-five".