57156545 has 8 divisors (see below), whose sum is σ = 69750720. Its totient is φ = 44950000.

The previous prime is 57156521. The next prime is 57156553. The reversal of 57156545 is 54565175.

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

It is not a de Polignac number, because 57156545 - 2¹⁰ = 57155521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57156499 and 57156508.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96581 + ... + 97170.

It is an arithmetic number, because the mean of its divisors is an integer number (8718840).

Almost surely, 2^57156545 is an apocalyptic number.

It is an amenable number.

57156545 is a deficient number, since it is larger than the sum of its proper divisors (12594175).

57156545 is a wasteful number, since it uses less digits than its factorization.

57156545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193815.

The product of its digits is 105000, while the sum is 38.

The square root of 57156545 is about 7560.1947726233. The cubic root of 57156545 is about 385.2021089835.

The spelling of 57156545 in words is "fifty-seven million, one hundred fifty-six thousand, five hundred forty-five".