56661052 has 36 divisors (see below), whose sum is σ = 120370320. Its totient is φ = 23225664.

The previous prime is 56661043. The next prime is 56661061. The reversal of 56661052 is 25016665.

It is an interprime number because it is at equal distance from previous prime (56661043) and next prime (56661061).

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 11 ways as a sum of consecutive naturals, for example, 1777 + ... + 10792.

It is an arithmetic number, because the mean of its divisors is an integer number (3343620).

Almost surely, 2^56661052 is an apocalyptic number.

It is an amenable number.

56661052 is an abundant number, since it is smaller than the sum of its proper divisors (63709268).

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

56661052 is a wasteful number, since it uses less digits than its factorization.

56661052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610 (or 12601 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 56661052 is about 7527.3535854243. The cubic root of 56661052 is about 384.0857646253.

The spelling of 56661052 in words is "fifty-six million, six hundred sixty-one thousand, fifty-two".