55304776761 has 8 divisors (see below), whose sum is σ = 79411987200. Its totient is φ = 34033708752.

The previous prime is 55304776759. The next prime is 55304776783. The reversal of 55304776761 is 16767740355.

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

It is not a de Polignac number, because 55304776761 - 2¹ = 55304776759 is a prime.

It is a super-2 number, since 2×55304776761² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55304776721) by changing a digit.

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, 709035561 + ... + 709035638.

It is an arithmetic number, because the mean of its divisors is an integer number (9926498400).

Almost surely, 2^55304776761 is an apocalyptic number.

It is an amenable number.

55304776761 is a deficient number, since it is larger than the sum of its proper divisors (24107210439).

55304776761 is a wasteful number, since it uses less digits than its factorization.

55304776761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418071215.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 55304776761 in words is "fifty-five billion, three hundred four million, seven hundred seventy-six thousand, seven hundred sixty-one".