55578011745 has 8 divisors (see below), whose sum is σ = 88924818816. Its totient is φ = 29641606256.

The previous prime is 55578011707. The next prime is 55578011773. The reversal of 55578011745 is 54711087555.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55578011745 - 2⁶ = 55578011681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55578011694 and 55578011703.

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, 1852600377 + ... + 1852600406.

It is an arithmetic number, because the mean of its divisors is an integer number (11115602352).

Almost surely, 2^55578011745 is an apocalyptic number.

It is an amenable number.

55578011745 is a deficient number, since it is larger than the sum of its proper divisors (33346807071).

55578011745 is a wasteful number, since it uses less digits than its factorization.

55578011745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705200791.

The product of its (nonzero) digits is 980000, while the sum is 48.

The spelling of 55578011745 in words is "fifty-five billion, five hundred seventy-eight million, eleven thousand, seven hundred forty-five".