53437757952 has 160 divisors (see below), whose sum is σ = 146478803328. Its totient is φ = 17304109056.

The previous prime is 53437757927. The next prime is 53437757981. The reversal of 53437757952 is 25975773435.

It is a junction number, because it is equal to n+sod(n) for n = 53437757892 and 53437757901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8381838 + ... + 8388210.

Almost surely, 2^53437757952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53437757952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73239401664).

53437757952 is an abundant number, since it is smaller than the sum of its proper divisors (93041045376).

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

53437757952 is a wasteful number, since it uses less digits than its factorization.

53437757952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6534 counting only the distinct ones).

The product of its digits is 27783000, while the sum is 57.

The spelling of 53437757952 in words is "fifty-three billion, four hundred thirty-seven million, seven hundred fifty-seven thousand, nine hundred fifty-two".