55126696590 has 96 divisors (see below), whose sum is σ = 165308045760. Its totient is φ = 12484772352.

The previous prime is 55126696553. The next prime is 55126696591. The reversal of 55126696590 is 9569662155.

55126696590 is a `hidden beast` number, since 5 + 512 + 6 + 69 + 65 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126696591) 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 47 ways as a sum of consecutive naturals, for example, 332719 + ... + 470058.

It is an arithmetic number, because the mean of its divisors is an integer number (1721958810).

Almost surely, 2^55126696590 is an apocalyptic number.

55126696590 is an abundant number, since it is smaller than the sum of its proper divisors (110181349170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55126696590 is a wasteful number, since it uses less digits than its factorization.

55126696590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802906 (or 802903 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 55126696590 in words is "fifty-five billion, one hundred twenty-six million, six hundred ninety-six thousand, five hundred ninety".