57748540 has 24 divisors (see below), whose sum is σ = 122638320. Its totient is φ = 22839168.

The previous prime is 57748531. The next prime is 57748549. The reversal of 57748540 is 4584775.

57748540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57748531) and next prime (57748549).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57748493 and 57748502.

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 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, 14442 + ... + 18001.

It is an arithmetic number, because the mean of its divisors is an integer number (5109930).

Almost surely, 2^57748540 is an apocalyptic number.

It is an amenable number.

57748540 is an abundant number, since it is smaller than the sum of its proper divisors (64889780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57748540 is a wasteful number, since it uses less digits than its factorization.

57748540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32541 (or 32539 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 57748540 is about 7599.2460152307. The cubic root of 57748540 is about 386.5274452545.

The spelling of 57748540 in words is "fifty-seven million, seven hundred forty-eight thousand, five hundred forty".