57142803792 has 80 divisors (see below), whose sum is σ = 151209107712. Its totient is φ = 18586767360.

The previous prime is 57142803769. The next prime is 57142803793. The reversal of 57142803792 is 29730824175.

It is a happy number.

It is a super-2 number, since 2×57142803792² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57142803793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722692 + ... + 797852.

Almost surely, 2^57142803792 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 57142803792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75604553856).

57142803792 is an abundant number, since it is smaller than the sum of its proper divisors (94066303920).

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

57142803792 is a wasteful number, since it uses less digits than its factorization.

57142803792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75556 (or 75550 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 57142803792 in words is "fifty-seven billion, one hundred forty-two million, eight hundred three thousand, seven hundred ninety-two".