57450252852 has 36 divisors (see below), whose sum is σ = 145363800036. Its totient is φ = 19131315840.

The previous prime is 57450252787. The next prime is 57450252913. The reversal of 57450252852 is 25825205475.

57450252852 is a `hidden beast` number, since 5 + 74 + 5 + 0 + 2 + 528 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25117178256 + 32333074596 = 158484^2 + 179814^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 57450252798 and 57450252807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744753 + ... + 818264.

Almost surely, 2^57450252852 is an apocalyptic number.

It is an amenable number.

57450252852 is an abundant number, since it is smaller than the sum of its proper divisors (87913547184).

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

57450252852 is a wasteful number, since it uses less digits than its factorization.

57450252852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564048 (or 1564043 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 45.

The spelling of 57450252852 in words is "fifty-seven billion, four hundred fifty million, two hundred fifty-two thousand, eight hundred fifty-two".