57202825696520 has 128 divisors (see below), whose sum is σ = 148052694205440. Its totient is φ = 19484765879040.

The previous prime is 57202825696493. The next prime is 57202825696529. The reversal of 57202825696520 is 2569652820275.

It is a super-2 number, since 2×57202825696520² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57202825696520.

It is not an unprimeable number, because it can be changed into a prime (57202825696529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32402159 + ... + 34121921.

It is an arithmetic number, because the mean of its divisors is an integer number (1156661673480).

Almost surely, 2^{57202825696520} 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 57202825696520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74026347102720).

57202825696520 is an abundant number, since it is smaller than the sum of its proper divisors (90849868508920).

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

57202825696520 is a wasteful number, since it uses less digits than its factorization.

57202825696520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720555 (or 1720551 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 57202825696520 in words is "fifty-seven trillion, two hundred two billion, eight hundred twenty-five million, six hundred ninety-six thousand, five hundred twenty".