52620856 has 8 divisors (see below), whose sum is σ = 98664120. Its totient is φ = 26310424.

The previous prime is 52620839. The next prime is 52620881. The reversal of 52620856 is 65802625.

52620856 = 1806² + 1807² + ... + 1821².

52620856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288796 + ... + 3288811.

It is an arithmetic number, because the mean of its divisors is an integer number (12333015).

Almost surely, 2^52620856 is an apocalyptic number.

It is an amenable number.

52620856 is a deficient number, since it is larger than the sum of its proper divisors (46043264).

52620856 is a wasteful number, since it uses less digits than its factorization.

52620856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577613 (or 6577609 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 52620856 is about 7254.0234353082. The cubic root of 52620856 is about 374.7307246143.

The spelling of 52620856 in words is "fifty-two million, six hundred twenty thousand, eight hundred fifty-six".