57252771792 has 60 divisors (see below), whose sum is σ = 160627976964. Its totient is φ = 19036646400.

The previous prime is 57252771791. The next prime is 57252771799. The reversal of 57252771792 is 29717725275.

57252771792 is a `hidden beast` number, since 572 + 52 + 7 + 7 + 17 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51891017616 + 5361754176 = 227796^2 + 73224^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57252771791) 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, 438003 + ... + 553490.

Almost surely, 2^57252771792 is an apocalyptic number.

It is an amenable number.

57252771792 is an abundant number, since it is smaller than the sum of its proper divisors (103375205172).

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

57252771792 is a wasteful number, since it uses less digits than its factorization.

57252771792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991908 (or 991899 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 54.

The spelling of 57252771792 in words is "fifty-seven billion, two hundred fifty-two million, seven hundred seventy-one thousand, seven hundred ninety-two".