55182516 has 24 divisors (see below), whose sum is σ = 129776640. Its totient is φ = 18248832.

The previous prime is 55182481. The next prime is 55182529. The reversal of 55182516 is 61528155.

It is a super-2 number, since 2×55182516² = 6090220144180512, which contains 22 as substring.

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, 16581 + ... + 19628.

It is an arithmetic number, because the mean of its divisors is an integer number (5407360).

Almost surely, 2^55182516 is an apocalyptic number.

It is an amenable number.

55182516 is an abundant number, since it is smaller than the sum of its proper divisors (74594124).

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

55182516 is a wasteful number, since it uses less digits than its factorization.

55182516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36343 (or 36341 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 55182516 is about 7428.4935215695. The cubic root of 55182516 is about 380.7154480762.

The spelling of 55182516 in words is "fifty-five million, one hundred eighty-two thousand, five hundred sixteen".