57551545 has 8 divisors (see below), whose sum is σ = 73124424. Its totient is φ = 43332864.

The previous prime is 57551519. The next prime is 57551561. The reversal of 57551545 is 54515575.

It can be written as a sum of positive squares in 4 ways, for example, as 6471936 + 51079609 = 2544^2 + 7147^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-57551545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338454 + ... + 338623.

It is an arithmetic number, because the mean of its divisors is an integer number (9140553).

Almost surely, 2^57551545 is an apocalyptic number.

It is an amenable number.

57551545 is a deficient number, since it is larger than the sum of its proper divisors (15572879).

57551545 is a wasteful number, since it uses less digits than its factorization.

57551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677099.

The product of its digits is 87500, while the sum is 37.

The square root of 57551545 is about 7586.2734593475. The cubic root of 57551545 is about 386.0874299703.

The spelling of 57551545 in words is "fifty-seven million, five hundred fifty-one thousand, five hundred forty-five".