57032545 has 4 divisors (see below), whose sum is σ = 68439060. Its totient is φ = 45626032.

The previous prime is 57032539. The next prime is 57032551. The reversal of 57032545 is 54523075.

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

It is an interprime number because it is at equal distance from previous prime (57032539) and next prime (57032551).

It can be written as a sum of positive squares in 2 ways, for example, as 10342656 + 46689889 = 3216^2 + 6833^2 .

It is a cyclic number.

It is not a de Polignac number, because 57032545 - 2¹⁵ = 56999777 is a prime.

It is a super-2 number, since 2×57032545² = 6505422378354050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5703250 + ... + 5703259.

It is an arithmetic number, because the mean of its divisors is an integer number (17109765).

Almost surely, 2^57032545 is an apocalyptic number.

It is an amenable number.

57032545 is a deficient number, since it is larger than the sum of its proper divisors (11406515).

57032545 is a wasteful number, since it uses less digits than its factorization.

57032545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406514.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 57032545 is about 7551.9894729800. The cubic root of 57032545 is about 384.9233444956.

The spelling of 57032545 in words is "fifty-seven million, thirty-two thousand, five hundred forty-five".