55313736475561 has 8 divisors (see below), whose sum is σ = 55593843241248. Its totient is φ = 55034310408000.

The previous prime is 55313736475537. The next prime is 55313736475573. The reversal of 55313736475561 is 16557463731355.

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 55313736475561 - 2⁷ = 55313736475433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55313736475561.

It is not an unprimeable number, because it can be changed into a prime (55313736475511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170011600 + ... + 170336641.

It is an arithmetic number, because the mean of its divisors is an integer number (6949230405156).

Almost surely, 2^{55313736475561} is an apocalyptic number.

It is an amenable number.

55313736475561 is a deficient number, since it is larger than the sum of its proper divisors (280106765687).

55313736475561 is a wasteful number, since it uses less digits than its factorization.

55313736475561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340349063.

The product of its digits is 119070000, while the sum is 61.

The spelling of 55313736475561 in words is "fifty-five trillion, three hundred thirteen billion, seven hundred thirty-six million, four hundred seventy-five thousand, five hundred sixty-one".