57453537 has 16 divisors (see below), whose sum is σ = 78599808. Its totient is φ = 37315200.

The previous prime is 57453533. The next prime is 57453559. The reversal of 57453537 is 73535475.

It is not a de Polignac number, because 57453537 - 2² = 57453533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57453495 and 57453504.

It is not an unprimeable number, because it can be changed into a prime (57453533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22813 + ... + 25205.

It is an arithmetic number, because the mean of its divisors is an integer number (4912488).

Almost surely, 2^57453537 is an apocalyptic number.

It is an amenable number.

57453537 is a deficient number, since it is larger than the sum of its proper divisors (21146271).

57453537 is a wasteful number, since it uses less digits than its factorization.

57453537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its digits is 220500, while the sum is 39.

The square root of 57453537 is about 7579.8111454046. The cubic root of 57453537 is about 385.8681415800.

The spelling of 57453537 in words is "fifty-seven million, four hundred fifty-three thousand, five hundred thirty-seven".