55780545795 has 64 divisors (see below), whose sum is σ = 99632332800. Its totient is φ = 26463467520.

The previous prime is 55780545787. The next prime is 55780545811. The reversal of 55780545795 is 59754508755.

It is not a de Polignac number, because 55780545795 - 2³ = 55780545787 is a prime.

It is a super-2 number, since 2×55780545795² (a number of 22 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 1425451 + ... + 1464059.

It is an arithmetic number, because the mean of its divisors is an integer number (1556755200).

Almost surely, 2^55780545795 is an apocalyptic number.

55780545795 is a deficient number, since it is larger than the sum of its proper divisors (43851787005).

55780545795 is a wasteful number, since it uses less digits than its factorization.

55780545795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38900.

The product of its (nonzero) digits is 44100000, while the sum is 60.

The spelling of 55780545795 in words is "fifty-five billion, seven hundred eighty million, five hundred forty-five thousand, seven hundred ninety-five".