55210080 has 48 divisors (see below), whose sum is σ = 173913264. Its totient is φ = 14722560.

The previous prime is 55210073. The next prime is 55210087. The reversal of 55210080 is 8001255.

It is an interprime number because it is at equal distance from previous prime (55210073) and next prime (55210087).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57031 + ... + 57990.

It is an arithmetic number, because the mean of its divisors is an integer number (3623193).

Almost surely, 2^55210080 is an apocalyptic number.

It is an amenable number.

55210080 is an abundant number, since it is smaller than the sum of its proper divisors (118703184).

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

55210080 is a wasteful number, since it uses less digits than its factorization.

55210080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115039 (or 115031 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 55210080 is about 7430.3485786334. The cubic root of 55210080 is about 380.7788274131.

The spelling of 55210080 in words is "fifty-five million, two hundred ten thousand, eighty".