57601501540 has 96 divisors (see below), whose sum is σ = 140495741568. Its totient is φ = 19604736000.

The previous prime is 57601501493. The next prime is 57601501579. The reversal of 57601501540 is 4510510675.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 57601501496 and 57601501505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634395 + ... + 719485.

It is an arithmetic number, because the mean of its divisors is an integer number (1463497308).

Almost surely, 2^57601501540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57601501540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70247870784).

57601501540 is an abundant number, since it is smaller than the sum of its proper divisors (82894240028).

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

57601501540 is a wasteful number, since it uses less digits than its factorization.

57601501540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85309 (or 85307 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 57601501540 in words is "fifty-seven billion, six hundred one million, five hundred one thousand, five hundred forty".