56486772 has 72 divisors (see below), whose sum is σ = 151351200. Its totient is φ = 17713728.

The previous prime is 56486761. The next prime is 56486783. The reversal of 56486772 is 27768465.

56486772 is a `hidden beast` number, since 564 + 86 + 7 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (56486761) and next prime (56486783).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183843 + ... + 184149.

It is an arithmetic number, because the mean of its divisors is an integer number (2102100).

Almost surely, 2^56486772 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 56486772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75675600).

56486772 is an abundant number, since it is smaller than the sum of its proper divisors (94864428).

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

56486772 is a wasteful number, since it uses less digits than its factorization.

56486772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 56486772 is about 7515.7682242070. The cubic root of 56486772 is about 383.6915654782.

The spelling of 56486772 in words is "fifty-six million, four hundred eighty-six thousand, seven hundred seventy-two".