55884845 has 24 divisors (see below), whose sum is σ = 70505160. Its totient is φ = 42508800.

The previous prime is 55884839. The next prime is 55884853. The reversal of 55884845 is 54848855.

It can be written as a sum of positive squares in 12 ways, for example, as 49589764 + 6295081 = 7042^2 + 2509^2 .

It is not a de Polignac number, because 55884845 - 2⁶ = 55884781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55884845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512651 + ... + 512759.

It is an arithmetic number, because the mean of its divisors is an integer number (2937715).

Almost surely, 2^55884845 is an apocalyptic number.

It is an amenable number.

55884845 is a deficient number, since it is larger than the sum of its proper divisors (14620315).

55884845 is a wasteful number, since it uses less digits than its factorization.

55884845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 216 counting only the distinct ones).

The product of its digits is 1024000, while the sum is 47.

The square root of 55884845 is about 7475.6166969689. The cubic root of 55884845 is about 382.3238142263.

The spelling of 55884845 in words is "fifty-five million, eight hundred eighty-four thousand, eight hundred forty-five".