56947072 has 64 divisors (see below), whose sum is σ = 139658400. Its totient is φ = 22523904.

The previous prime is 56947067. The next prime is 56947091. The reversal of 56947072 is 27074965.

It is a tau number, because it is divible by the number of its divisors (64).

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 9204 + ... + 14092.

Almost surely, 2^56947072 is an apocalyptic number.

56947072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56947072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69829200).

56947072 is an abundant number, since it is smaller than the sum of its proper divisors (82711328).

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

56947072 is a wasteful number, since it uses less digits than its factorization.

56947072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 56947072 is about 7546.3283787548. The cubic root of 56947072 is about 384.7309572518.

The spelling of 56947072 in words is "fifty-six million, nine hundred forty-seven thousand, seventy-two".