57225751 has 4 divisors (see below), whose sum is σ = 62428104. Its totient is φ = 52023400.

The previous prime is 57225737. The next prime is 57225767. The reversal of 57225751 is 15752275.

57225751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57225751 - 2⁵ = 57225719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57225731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601160 + ... + 2601181.

It is an arithmetic number, because the mean of its divisors is an integer number (15607026).

Almost surely, 2^57225751 is an apocalyptic number.

57225751 is a deficient number, since it is larger than the sum of its proper divisors (5202353).

57225751 is a wasteful number, since it uses less digits than its factorization.

57225751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202352.

The product of its digits is 24500, while the sum is 34.

The square root of 57225751 is about 7564.7703864691. The cubic root of 57225751 is about 385.3575157701.

The spelling of 57225751 in words is "fifty-seven million, two hundred twenty-five thousand, seven hundred fifty-one".