52620406 has 8 divisors (see below), whose sum is σ = 83573640. Its totient is φ = 24762528.

The previous prime is 52620397. The next prime is 52620409. The reversal of 52620406 is 60402625.

It is a sphenic number, since it is the product of 3 distinct primes.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773796 + ... + 773863.

It is an arithmetic number, because the mean of its divisors is an integer number (10446705).

Almost surely, 2^52620406 is an apocalyptic number.

52620406 is a deficient number, since it is larger than the sum of its proper divisors (30953234).

52620406 is a wasteful number, since it uses less digits than its factorization.

52620406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547678.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 52620406 is about 7253.9924179723. The cubic root of 52620406 is about 374.7296564110.

The spelling of 52620406 in words is "fifty-two million, six hundred twenty thousand, four hundred six".