55592405917 has 4 divisors (see below), whose sum is σ = 55629642780. Its totient is φ = 55555169056.

The previous prime is 55592405903. The next prime is 55592405929. The reversal of 55592405917 is 71950429555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27204873721 + 28387532196 = 164939^2 + 168486^2 .

It is a cyclic number.

It is not a de Polignac number, because 55592405917 - 2¹¹ = 55592403869 is a prime.

It is a super-2 number, since 2×55592405917² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55592405117) 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 3 ways as a sum of consecutive naturals, for example, 18616192 + ... + 18619177.

It is an arithmetic number, because the mean of its divisors is an integer number (13907410695).

Almost surely, 2^55592405917 is an apocalyptic number.

It is an amenable number.

55592405917 is a deficient number, since it is larger than the sum of its proper divisors (37236863).

55592405917 is a wasteful number, since it uses less digits than its factorization.

55592405917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37236862.

The product of its (nonzero) digits is 2835000, while the sum is 52.

The spelling of 55592405917 in words is "fifty-five billion, five hundred ninety-two million, four hundred five thousand, nine hundred seventeen".