55740178945 has 8 divisors (see below), whose sum is σ = 72968961600. Its totient is φ = 40538311920.

The previous prime is 55740178939. The next prime is 55740178961. The reversal of 55740178945 is 54987104755.

55740178945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-55740178945 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 1013457799 = 55740178945 / (5 + 5 + 7 + 4 + 0 + 1 + 7 + 8 + 9 + 4 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506728845 + ... + 506728954.

It is an arithmetic number, because the mean of its divisors is an integer number (9121120200).

Almost surely, 2^55740178945 is an apocalyptic number.

55740178945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55740178945 is a deficient number, since it is larger than the sum of its proper divisors (17228782655).

55740178945 is a wasteful number, since it uses less digits than its factorization.

55740178945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013457815.

The product of its (nonzero) digits is 7056000, while the sum is 55.

The spelling of 55740178945 in words is "fifty-five billion, seven hundred forty million, one hundred seventy-eight thousand, nine hundred forty-five".