55490176 has 64 divisors (see below), whose sum is σ = 133807680. Its totient is φ = 22376448.

The previous prime is 55490173. The next prime is 55490207. The reversal of 55490176 is 67109455.

55490176 = 623² + 624² + ... + 741².

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (55490173) 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, 13411 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (2090745).

Almost surely, 2^55490176 is an apocalyptic number.

55490176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55490176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66903840).

55490176 is an abundant number, since it is smaller than the sum of its proper divisors (78317504).

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

55490176 is a wasteful number, since it uses less digits than its factorization.

55490176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681 (or 3669 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55490176 is about 7449.1728399870. The cubic root of 55490176 is about 381.4216736124.

The spelling of 55490176 in words is "fifty-five million, four hundred ninety thousand, one hundred seventy-six".