56369520 has 100 divisors (see below), whose sum is σ = 195802200. Its totient is φ = 15030144.

The previous prime is 56369519. The next prime is 56369543. The reversal of 56369520 is 2596365.

56369520 is a `hidden beast` number, since 563 + 6 + 95 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 6.

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 19 ways as a sum of consecutive naturals, for example, 2131 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (1958022).

Almost surely, 2^56369520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56369520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97901100).

56369520 is an abundant number, since it is smaller than the sum of its proper divisors (139432680).

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

56369520 is a wasteful number, since it uses less digits than its factorization.

56369520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 56369520 is about 7507.9637718892. The cubic root of 56369520 is about 383.4258999306.

The spelling of 56369520 in words is "fifty-six million, three hundred sixty-nine thousand, five hundred twenty".