55580334 has 16 divisors (see below), whose sum is σ = 114746880. Its totient is φ = 17929080.

The previous prime is 55580323. The next prime is 55580347. The reversal of 55580334 is 43308555.

It is a junction number, because it is equal to n+sod(n) for n = 55580295 and 55580304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149224 + ... + 149595.

It is an arithmetic number, because the mean of its divisors is an integer number (7171680).

Almost surely, 2^55580334 is an apocalyptic number.

55580334 is an abundant number, since it is smaller than the sum of its proper divisors (59166546).

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

55580334 is a wasteful number, since it uses less digits than its factorization.

55580334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298855.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 55580334 is about 7455.2219282862. The cubic root of 55580334 is about 381.6281342292.

Adding to 55580334 its reverse (43308555), we get a palindrome (98888889).

The spelling of 55580334 in words is "fifty-five million, five hundred eighty thousand, three hundred thirty-four".