52972905 has 16 divisors (see below), whose sum is σ = 84867264. Its totient is φ = 28215360.

The previous prime is 52972891. The next prime is 52972921. The reversal of 52972905 is 50927925.

It is not a de Polignac number, because 52972905 - 2⁵ = 52972873 is a prime.

It is a super-2 number, since 2×52972905² = 5612257328278050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12747 + ... + 16383.

It is an arithmetic number, because the mean of its divisors is an integer number (5304204).

Almost surely, 2^52972905 is an apocalyptic number.

It is an amenable number.

52972905 is a deficient number, since it is larger than the sum of its proper divisors (31894359).

52972905 is a wasteful number, since it uses less digits than its factorization.

52972905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 52972905 is about 7278.2487591453. The cubic root of 52972905 is about 375.5645540944.

The spelling of 52972905 in words is "fifty-two million, nine hundred seventy-two thousand, nine hundred five".