55927947793 has 4 divisors (see below), whose sum is σ = 55929691188. Its totient is φ = 55926204400.

The previous prime is 55927947787. The next prime is 55927947799. The reversal of 55927947793 is 39774972955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39774972955 = 5 ⋅7954994591.

It is an interprime number because it is at equal distance from previous prime (55927947787) and next prime (55927947799).

It can be written as a sum of positive squares in 2 ways, for example, as 579268624 + 55348679169 = 24068^2 + 235263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55927947793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55927947799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822658 + ... + 888043.

It is an arithmetic number, because the mean of its divisors is an integer number (13982422797).

Almost surely, 2^55927947793 is an apocalyptic number.

It is an amenable number.

55927947793 is a deficient number, since it is larger than the sum of its proper divisors (1743395).

55927947793 is a wasteful number, since it uses less digits than its factorization.

55927947793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743394.

The product of its digits is 150028200, while the sum is 67.

The spelling of 55927947793 in words is "fifty-five billion, nine hundred twenty-seven million, nine hundred forty-seven thousand, seven hundred ninety-three".