52620664 has 8 divisors (see below), whose sum is σ = 98663760. Its totient is φ = 26310328.

The previous prime is 52620653. The next prime is 52620677. The reversal of 52620664 is 46602625.

52620664 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288784 + ... + 3288799.

It is an arithmetic number, because the mean of its divisors is an integer number (12332970).

Almost surely, 2^52620664 is an apocalyptic number.

It is an amenable number.

52620664 is a deficient number, since it is larger than the sum of its proper divisors (46043096).

52620664 is a wasteful number, since it uses less digits than its factorization.

52620664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577589 (or 6577585 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 52620664 is about 7254.0102012611. The cubic root of 52620664 is about 374.7302688483.

The spelling of 52620664 in words is "fifty-two million, six hundred twenty thousand, six hundred sixty-four".