47021564 has 6 divisors (see below), whose sum is σ = 82287744. Its totient is φ = 23510780.

The previous prime is 47021549. The next prime is 47021593. The reversal of 47021564 is 46512074.

It is a super-2 number, since 2×47021564² = 4422054962012192, which contains 22 as substring.

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, 5877692 + ... + 5877699.

It is an arithmetic number, because the mean of its divisors is an integer number (13714624).

Almost surely, 2^47021564 is an apocalyptic number.

It is an amenable number.

47021564 is a deficient number, since it is larger than the sum of its proper divisors (35266180).

47021564 is a wasteful number, since it uses less digits than its factorization.

47021564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11755395 (or 11755393 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 47021564 is about 6857.2271363868. The cubic root of 47021564 is about 360.9377915791.

The spelling of 47021564 in words is "forty-seven million, twenty-one thousand, five hundred sixty-four".