57507725252 has 6 divisors (see below), whose sum is σ = 100638519198. Its totient is φ = 28753862624.

The previous prime is 57507725167. The next prime is 57507725267. The reversal of 57507725252 is 25252770575.

It can be written as a sum of positive squares in only one way, i.e., 56769733696 + 737991556 = 238264^2 + 27166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57507725197 and 57507725206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7188465653 + ... + 7188465660.

It is an arithmetic number, because the mean of its divisors is an integer number (16773086533).

Almost surely, 2^57507725252 is an apocalyptic number.

It is an amenable number.

57507725252 is a deficient number, since it is larger than the sum of its proper divisors (43130793946).

57507725252 is a wasteful number, since it uses less digits than its factorization.

57507725252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376931317 (or 14376931315 counting only the distinct ones).

The product of its (nonzero) digits is 1715000, while the sum is 47.

The spelling of 57507725252 in words is "fifty-seven billion, five hundred seven million, seven hundred twenty-five thousand, two hundred fifty-two".