57442451 has 12 divisors (see below), whose sum is σ = 63322896. Its totient is φ = 52068720.

The previous prime is 57442433. The next prime is 57442457. The reversal of 57442451 is 15424475.

It is not a de Polignac number, because 57442451 - 2¹⁴ = 57426067 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57442457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78650 + ... + 79376.

It is an arithmetic number, because the mean of its divisors is an integer number (5276908).

Almost surely, 2^57442451 is an apocalyptic number.

57442451 is a deficient number, since it is larger than the sum of its proper divisors (5880445).

57442451 is a wasteful number, since it uses less digits than its factorization.

57442451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1391 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 57442451 is about 7579.0798254142. The cubic root of 57442451 is about 385.8433214696.

It can be divided in two parts, 574424 and 51, that added together give a palindrome (574475).

The spelling of 57442451 in words is "fifty-seven million, four hundred forty-two thousand, four hundred fifty-one".