57754308640 has 72 divisors (see below), whose sum is σ = 158721237612. Its totient is φ = 19801474560.

The previous prime is 57754308637. The next prime is 57754308643. The reversal of 57754308640 is 4680345775.

It is an interprime number because it is at equal distance from previous prime (57754308637) and next prime (57754308643).

It can be written as a sum of positive squares in 2 ways, for example, as 57164984464 + 589324176 = 239092^2 + 24276^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (57754308643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3675471 + ... + 3691150.

Almost surely, 2^57754308640 is an apocalyptic number.

It is an amenable number.

57754308640 is an abundant number, since it is smaller than the sum of its proper divisors (100966928972).

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

57754308640 is a wasteful number, since it uses less digits than its factorization.

57754308640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366650 (or 7366635 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 57754308640 in words is "fifty-seven billion, seven hundred fifty-four million, three hundred eight thousand, six hundred forty".