55312362 has 128 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 14878080.

The previous prime is 55312351. The next prime is 55312393. The reversal of 55312362 is 26321355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 666373 + ... + 666455.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^55312362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55312362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).

55312362 is an abundant number, since it is smaller than the sum of its proper divisors (93710358).

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

55312362 is a wasteful number, since it uses less digits than its factorization.

55312362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 179 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 55312362 is about 7437.2281126775. The cubic root of 55312362 is about 381.0138255260.

The spelling of 55312362 in words is "fifty-five million, three hundred twelve thousand, three hundred sixty-two".