53357747625 has 240 divisors, whose sum is σ = 124631659152. Its totient is φ = 22513075200.

The previous prime is 53357747623. The next prime is 53357747627. The reversal of 53357747625 is 52674775335.

53357747625 is a `hidden beast` number, since 5 + 3 + 3 + 5 + 7 + 7 + 4 + 7 + 625 = 666.

It is an interprime number because it is at equal distance from previous prime (53357747623) and next prime (53357747627).

It can be written as a sum of positive squares in 8 ways, for example, as 20254128489 + 33103619136 = 142317^2 + 181944^2 .

It is not a de Polignac number, because 53357747625 - 2¹ = 53357747623 is a prime.

It is a super-2 number, since 2×53357747625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53357747623) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6445489 + ... + 6453761.

Almost surely, 2^53357747625 is an apocalyptic number.

It is an amenable number.

53357747625 is an abundant number, since it is smaller than the sum of its proper divisors (71273911527).

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

53357747625 is a wasteful number, since it uses less digits than its factorization.

53357747625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327 (or 8301 counting only the distinct ones).

The product of its digits is 18522000, while the sum is 54.

The spelling of 53357747625 in words is "fifty-three billion, three hundred fifty-seven million, seven hundred forty-seven thousand, six hundred twenty-five".