55056480 has 96 divisors (see below), whose sum is σ = 181004544. Its totient is φ = 14040576.

The previous prime is 55056479. The next prime is 55056493. The reversal of 55056480 is 8465055.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8547 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (1885464).

Almost surely, 2^55056480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55056480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90502272).

55056480 is an abundant number, since it is smaller than the sum of its proper divisors (125948064).

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

55056480 is a wasteful number, since it uses less digits than its factorization.

55056480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 55056480 is about 7420.0053908336. The cubic root of 55056480 is about 380.4253777570.

The spelling of 55056480 in words is "fifty-five million, fifty-six thousand, four hundred eighty".