52156905 has 32 divisors (see below), whose sum is σ = 85190400. Its totient is φ = 27244800.

The previous prime is 52156889. The next prime is 52156913. The reversal of 52156905 is 50965125.

It is not a de Polignac number, because 52156905 - 2⁴ = 52156889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261996 + ... + 262194.

It is an arithmetic number, because the mean of its divisors is an integer number (2662200).

Almost surely, 2^52156905 is an apocalyptic number.

It is an amenable number.

52156905 is a deficient number, since it is larger than the sum of its proper divisors (33033495).

52156905 is a wasteful number, since it uses less digits than its factorization.

52156905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 52156905 is about 7221.9737606834. The cubic root of 52156905 is about 373.6261551698.

The spelling of 52156905 in words is "fifty-two million, one hundred fifty-six thousand, nine hundred five".