55081746 has 12 divisors (see below), whose sum is σ = 119343822. Its totient is φ = 18360576.

The previous prime is 55081709. The next prime is 55081783. The reversal of 55081746 is 64718055.

It is an interprime number because it is at equal distance from previous prime (55081709) and next prime (55081783).

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 1718721 = 7305^2 + 1311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55081746.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1530031 + ... + 1530066.

Almost surely, 2^55081746 is an apocalyptic number.

55081746 is an abundant number, since it is smaller than the sum of its proper divisors (64262076).

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

55081746 is a wasteful number, since it uses less digits than its factorization.

55081746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060105 (or 3060102 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55081746 is about 7421.7077549577. The cubic root of 55081746 is about 380.4835625982.

The spelling of 55081746 in words is "fifty-five million, eighty-one thousand, seven hundred forty-six".