52620408 has 32 divisors (see below), whose sum is σ = 146168400. Its totient is φ = 17540064.

The previous prime is 52620397. The next prime is 52620409. The reversal of 52620408 is 80402625.

52620408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620409) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 121591 + ... + 122022.

Almost surely, 2^52620408 is an apocalyptic number.

It is an amenable number.

52620408 is an abundant number, since it is smaller than the sum of its proper divisors (93547992).

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

52620408 is a wasteful number, since it uses less digits than its factorization.

52620408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243628 (or 243618 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 52620408 is about 7253.9925558274. The cubic root of 52620408 is about 374.7296611586.

The spelling of 52620408 in words is "fifty-two million, six hundred twenty thousand, four hundred eight".