55181774542 has 8 divisors (see below), whose sum is σ = 82787952600. Its totient is φ = 27585790344.

The previous prime is 55181774509. The next prime is 55181774551. The reversal of 55181774542 is 24547718155.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2534917 + ... + 2556592.

It is an arithmetic number, because the mean of its divisors is an integer number (10348494075).

Almost surely, 2^55181774542 is an apocalyptic number.

55181774542 is a deficient number, since it is larger than the sum of its proper divisors (27606178058).

55181774542 is a wasteful number, since it uses less digits than its factorization.

55181774542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096930.

The product of its digits is 1568000, while the sum is 49.

The spelling of 55181774542 in words is "fifty-five billion, one hundred eighty-one million, seven hundred seventy-four thousand, five hundred forty-two".