52613213646 has 48 divisors (see below), whose sum is σ = 122871855744. Its totient is φ = 14975167536.

The previous prime is 52613213629. The next prime is 52613213677. The reversal of 52613213646 is 64631231625.

It is a super-2 number, since 2×52613213646² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262900 + ... + 417543.

It is an arithmetic number, because the mean of its divisors is an integer number (2559830328).

Almost surely, 2^52613213646 is an apocalyptic number.

52613213646 is an abundant number, since it is smaller than the sum of its proper divisors (70258642098).

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

52613213646 is a wasteful number, since it uses less digits than its factorization.

52613213646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680725 (or 680718 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 52613213646 in words is "fifty-two billion, six hundred thirteen million, two hundred thirteen thousand, six hundred forty-six".