56550444 has 12 divisors (see below), whose sum is σ = 131951064. Its totient is φ = 18850144.

The previous prime is 56550443. The next prime is 56550451. The reversal of 56550444 is 44405565.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (56550443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356257 + ... + 2356280.

It is an arithmetic number, because the mean of its divisors is an integer number (10995922).

Almost surely, 2^56550444 is an apocalyptic number.

It is an amenable number.

56550444 is an abundant number, since it is smaller than the sum of its proper divisors (75400620).

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

56550444 is a wasteful number, since it uses less digits than its factorization.

56550444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712544 (or 4712542 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 56550444 is about 7520.0029255313. The cubic root of 56550444 is about 383.8356773053.

The spelling of 56550444 in words is "fifty-six million, five hundred fifty thousand, four hundred forty-four".