57237401 has 4 divisors (see below), whose sum is σ = 61640292. Its totient is φ = 52834512.

The previous prime is 57237361. The next prime is 57237421. The reversal of 57237401 is 10473275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11323225 + 45914176 = 3365^2 + 6776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57237401 is a prime.

It is a super-2 number, since 2×57237401² = 6552240146469602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57237421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201426 + ... + 2201451.

It is an arithmetic number, because the mean of its divisors is an integer number (15410073).

Almost surely, 2^57237401 is an apocalyptic number.

It is an amenable number.

57237401 is a deficient number, since it is larger than the sum of its proper divisors (4402891).

57237401 is a wasteful number, since it uses less digits than its factorization.

57237401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402890.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57237401 is about 7565.5403640454. The cubic root of 57237401 is about 385.3836643155.

It can be divided in two parts, 572 and 37401, that added together give a palindrome (37973).

The spelling of 57237401 in words is "fifty-seven million, two hundred thirty-seven thousand, four hundred one".