56123472 has 40 divisors (see below), whose sum is σ = 145347840. Its totient is φ = 18661120.

The previous prime is 56123467. The next prime is 56123537. The reversal of 56123472 is 27432165.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21772 + ... + 24212.

It is an arithmetic number, because the mean of its divisors is an integer number (3633696).

Almost surely, 2^56123472 is an apocalyptic number.

It is an amenable number.

56123472 is an abundant number, since it is smaller than the sum of its proper divisors (89224368).

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

56123472 is a wasteful number, since it uses less digits than its factorization.

56123472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2925 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 56123472 is about 7491.5600511509. The cubic root of 56123472 is about 382.8672128168.

The spelling of 56123472 in words is "fifty-six million, one hundred twenty-three thousand, four hundred seventy-two".