55880496 has 160 divisors (see below), whose sum is σ = 194273280. Its totient is φ = 15012864.

The previous prime is 55880459. The next prime is 55880543. The reversal of 55880496 is 69408855.

55880496 is a `hidden beast` number, since 558 + 8 + 0 + 4 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50865 + ... + 51951.

It is an arithmetic number, because the mean of its divisors is an integer number (1214208).

Almost surely, 2^55880496 is an apocalyptic number.

55880496 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 55880496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97136640).

55880496 is an abundant number, since it is smaller than the sum of its proper divisors (138392784).

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

55880496 is a wasteful number, since it uses less digits than its factorization.

55880496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 55880496 is about 7475.3258122974. The cubic root of 55880496 is about 382.3138963949.

The spelling of 55880496 in words is "fifty-five million, eight hundred eighty thousand, four hundred ninety-six".