56554236 has 18 divisors (see below), whose sum is σ = 142956632. Its totient is φ = 18851400.

The previous prime is 56554213. The next prime is 56554237. The reversal of 56554236 is 63245565.

It is a happy number.

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: 1570951 = 56554236 / (5 + 6 + 5 + 5 + 4 + 2 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 56554236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785440 + ... + 785511.

Almost surely, 2^56554236 is an apocalyptic number.

It is an amenable number.

56554236 is an abundant number, since it is smaller than the sum of its proper divisors (86402396).

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

56554236 is a wasteful number, since it uses less digits than its factorization.

56554236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570961 (or 1570956 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 56554236 is about 7520.2550488664. The cubic root of 56554236 is about 383.8442565032.

The spelling of 56554236 in words is "fifty-six million, five hundred fifty-four thousand, two hundred thirty-six".