57748541 has 16 divisors (see below), whose sum is σ = 64819440. Its totient is φ = 51179520.

The previous prime is 57748531. The next prime is 57748549. The reversal of 57748541 is 14584775.

It can be written as a sum of positive squares in 8 ways, for example, as 64516 + 57684025 = 254^2 + 7595^2 .

It is a de Polignac number, because none of the positive numbers 2^k-57748541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57748549) 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, 18785 + ... + 21641.

It is an arithmetic number, because the mean of its divisors is an integer number (4051215).

Almost surely, 2^57748541 is an apocalyptic number.

It is an amenable number.

57748541 is a deficient number, since it is larger than the sum of its proper divisors (7070899).

57748541 is a wasteful number, since it uses less digits than its factorization.

57748541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its digits is 156800, while the sum is 41.

The square root of 57748541 is about 7599.2460810267. The cubic root of 57748541 is about 386.5274474856.

The spelling of 57748541 in words is "fifty-seven million, seven hundred forty-eight thousand, five hundred forty-one".