55452880 has 40 divisors (see below), whose sum is σ = 147347712. Its totient is φ = 19012224.

The previous prime is 55452877. The next prime is 55452913. The reversal of 55452880 is 8825455.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 48952 + ... + 50071.

Almost surely, 2^55452880 is an apocalyptic number.

It is an amenable number.

55452880 is an abundant number, since it is smaller than the sum of its proper divisors (91894832).

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

55452880 is a wasteful number, since it uses less digits than its factorization.

55452880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99043 (or 99037 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 55452880 is about 7446.6690540133. The cubic root of 55452880 is about 381.3362008793.

The spelling of 55452880 in words is "fifty-five million, four hundred fifty-two thousand, eight hundred eighty".