55046666190 has 32 divisors (see below), whose sum is σ = 132204552480. Its totient is φ = 14668827264.

The previous prime is 55046666189. The next prime is 55046666201. The reversal of 55046666190 is 9166664055.

It is a super-2 number, since 2×55046666190² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 599149 + ... + 684888.

It is an arithmetic number, because the mean of its divisors is an integer number (4131392265).

Almost surely, 2^55046666190 is an apocalyptic number.

55046666190 is an abundant number, since it is smaller than the sum of its proper divisors (77157886290).

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

55046666190 is a wasteful number, since it uses less digits than its factorization.

55046666190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285476.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 55046666190 in words is "fifty-five billion, forty-six million, six hundred sixty-six thousand, one hundred ninety".