55380316 has 12 divisors (see below), whose sum is σ = 97137432. Its totient is φ = 27626768.

The previous prime is 55380301. The next prime is 55380329. The reversal of 55380316 is 61308355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13855 + ... + 17398.

It is an arithmetic number, because the mean of its divisors is an integer number (8094786).

Almost surely, 2^55380316 is an apocalyptic number.

It is an amenable number.

55380316 is a deficient number, since it is larger than the sum of its proper divisors (41757116).

55380316 is a wasteful number, since it uses less digits than its factorization.

55380316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31700 (or 31698 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 55380316 is about 7441.7952135221. The cubic root of 55380316 is about 381.1697931785.

It can be divided in two parts, 55380 and 316, that added together give a square (55696 = 236²).

The spelling of 55380316 in words is "fifty-five million, three hundred eighty thousand, three hundred sixteen".