53318237952 has 72 divisors (see below), whose sum is σ = 162176323456. Its totient is φ = 15233780736.

The previous prime is 53318237899. The next prime is 53318237971. The reversal of 53318237952 is 25973281335.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953538 + ... + 4964289.

Almost surely, 2^53318237952 is an apocalyptic number.

It is an amenable number.

53318237952 is an abundant number, since it is smaller than the sum of its proper divisors (108858085504).

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

53318237952 is an equidigital number, since it uses as much as digits as its factorization.

53318237952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9917853 (or 9917839 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The spelling of 53318237952 in words is "fifty-three billion, three hundred eighteen million, two hundred thirty-seven thousand, nine hundred fifty-two".