52577646 has 24 divisors (see below), whose sum is σ = 115585512. Its totient is φ = 15932400.

The previous prime is 52577627. The next prime is 52577659. The reversal of 52577646 is 64677525.

It is a junction number, because it is equal to n+sod(n) for n = 52577598 and 52577607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35485 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (4816063).

Almost surely, 2^52577646 is an apocalyptic number.

52577646 is an abundant number, since it is smaller than the sum of its proper divisors (63007866).

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

52577646 is a wasteful number, since it uses less digits than its factorization.

52577646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72448 (or 72437 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 52577646 is about 7251.0444764875. The cubic root of 52577646 is about 374.6281255692.

The spelling of 52577646 in words is "fifty-two million, five hundred seventy-seven thousand, six hundred forty-six".