52156556 has 12 divisors (see below), whose sum is σ = 91887600. Its totient is φ = 25902960.

The previous prime is 52156547. The next prime is 52156579. The reversal of 52156556 is 65565125.

52156556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52156556² = 5440612667562272, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43160 + ... + 44351.

It is an arithmetic number, because the mean of its divisors is an integer number (7657300).

Almost surely, 2^52156556 is an apocalyptic number.

It is an amenable number.

52156556 is a deficient number, since it is larger than the sum of its proper divisors (39731044).

52156556 is a wasteful number, since it uses less digits than its factorization.

52156556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87664 (or 87662 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The square root of 52156556 is about 7221.9495982733. The cubic root of 52156556 is about 373.6253218137.

The spelling of 52156556 in words is "fifty-two million, one hundred fifty-six thousand, five hundred fifty-six".