52056660 has 48 divisors (see below), whose sum is σ = 149155776. Its totient is φ = 13558272.

The previous prime is 52056629. The next prime is 52056673. The reversal of 52056660 is 6665025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7509 + ... + 12668.

It is an arithmetic number, because the mean of its divisors is an integer number (3107412).

Almost surely, 2^52056660 is an apocalyptic number.

It is an amenable number.

52056660 is an abundant number, since it is smaller than the sum of its proper divisors (97099116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52056660 is a wasteful number, since it uses less digits than its factorization.

52056660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20232 (or 20230 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 52056660 is about 7215.0301454672. The cubic root of 52056660 is about 373.3866331923.

The spelling of 52056660 in words is "fifty-two million, fifty-six thousand, six hundred sixty".