57244545 has 24 divisors (see below), whose sum is σ = 99613800. Its totient is φ = 30410496.

The previous prime is 57244541. The next prime is 57244547. The reversal of 57244545 is 54544275.

It is a happy number.

57244545 is a `hidden beast` number, since 5 + 72 + 44 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3837681 + 53406864 = 1959^2 + 7308^2 .

It is not a de Polignac number, because 57244545 - 2² = 57244541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57244541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9741 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (4150575).

Almost surely, 2^57244545 is an apocalyptic number.

It is an amenable number.

57244545 is a deficient number, since it is larger than the sum of its proper divisors (42369255).

57244545 is a wasteful number, since it uses less digits than its factorization.

57244545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 5006 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 57244545 is about 7566.0124900769. The cubic root of 57244545 is about 385.3996973423.

The spelling of 57244545 in words is "fifty-seven million, two hundred forty-four thousand, five hundred forty-five".