56554812 has 18 divisors (see below), whose sum is σ = 142958088. Its totient is φ = 18851592.

The previous prime is 56554793. The next prime is 56554831. The reversal of 56554812 is 21845565.

It is an interprime number because it is at equal distance from previous prime (56554793) and next prime (56554831).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1570967 = 56554812 / (5 + 6 + 5 + 5 + 4 + 8 + 1 + 2).

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 5 ways as a sum of consecutive naturals, for example, 785448 + ... + 785519.

It is an arithmetic number, because the mean of its divisors is an integer number (7942116).

Almost surely, 2^56554812 is an apocalyptic number.

It is an amenable number.

56554812 is an abundant number, since it is smaller than the sum of its proper divisors (86403276).

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

56554812 is a wasteful number, since it uses less digits than its factorization.

56554812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570977 (or 1570972 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 56554812 is about 7520.2933453423. The cubic root of 56554812 is about 383.8455596390.

The spelling of 56554812 in words is "fifty-six million, five hundred fifty-four thousand, eight hundred twelve".