55337427774 has 16 divisors (see below), whose sum is σ = 122972061840. Its totient is φ = 18445809240.

The previous prime is 55337427763. The next prime is 55337427791. The reversal of 55337427774 is 47772473355.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1024767181 = 55337427774 / (5 + 5 + 3 + 3 + 7 + 4 + 2 + 7 + 7 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 55337427774.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 512383537 + ... + 512383644.

It is an arithmetic number, because the mean of its divisors is an integer number (7685753865).

Almost surely, 2^55337427774 is an apocalyptic number.

55337427774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55337427774 is an abundant number, since it is smaller than the sum of its proper divisors (67634634066).

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

55337427774 is a wasteful number, since it uses less digits than its factorization.

55337427774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024767192 (or 1024767186 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 54.

The spelling of 55337427774 in words is "fifty-five billion, three hundred thirty-seven million, four hundred twenty-seven thousand, seven hundred seventy-four".