55190774725 has 6 divisors (see below), whose sum is σ = 68436560690. Its totient is φ = 44152619760.

The previous prime is 55190774711. The next prime is 55190774759. The reversal of 55190774725 is 52747709155.

It can be written as a sum of positive squares in 3 ways, for example, as 13325931844 + 41864842881 = 115438^2 + 204609^2 .

It is not a de Polignac number, because 55190774725 - 2⁵ = 55190774693 is a prime.

It is a super-2 number, since 2×55190774725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1103815470 + ... + 1103815519.

Almost surely, 2^55190774725 is an apocalyptic number.

It is an amenable number.

55190774725 is a deficient number, since it is larger than the sum of its proper divisors (13245785965).

55190774725 is a wasteful number, since it uses less digits than its factorization.

55190774725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207630999 (or 2207630994 counting only the distinct ones).

The product of its (nonzero) digits is 3087000, while the sum is 52.

The spelling of 55190774725 in words is "fifty-five billion, one hundred ninety million, seven hundred seventy-four thousand, seven hundred twenty-five".