55818045 has 32 divisors (see below), whose sum is σ = 100137600. Its totient is φ = 29498112.

The previous prime is 55818017. The next prime is 55818101. The reversal of 55818045 is 54081855.

It is not a de Polignac number, because 55818045 - 2⁶ = 55817981 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13426 + ... + 17084.

It is an arithmetic number, because the mean of its divisors is an integer number (3129300).

Almost surely, 2^55818045 is an apocalyptic number.

It is an amenable number.

55818045 is a deficient number, since it is larger than the sum of its proper divisors (44319555).

55818045 is a wasteful number, since it uses less digits than its factorization.

55818045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 55818045 is about 7471.1475022248. The cubic root of 55818045 is about 382.1714210127.

The spelling of 55818045 in words is "fifty-five million, eight hundred eighteen thousand, forty-five".