57748621 has 8 divisors (see below), whose sum is σ = 66903104. Its totient is φ = 48820320.

The previous prime is 57748597. The next prime is 57748627. The reversal of 57748621 is 12684775.

57748621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 57748621 - 2⁵ = 57748589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57748627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55995 + ... + 57016.

It is an arithmetic number, because the mean of its divisors is an integer number (8362888).

Almost surely, 2^57748621 is an apocalyptic number.

It is an amenable number.

57748621 is a deficient number, since it is larger than the sum of its proper divisors (9154483).

57748621 is a wasteful number, since it uses less digits than its factorization.

57748621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113091.

The product of its digits is 94080, while the sum is 40.

The square root of 57748621 is about 7599.2513447050. The cubic root of 57748621 is about 386.5276259731.

The spelling of 57748621 in words is "fifty-seven million, seven hundred forty-eight thousand, six hundred twenty-one".