55111900570 has 16 divisors (see below), whose sum is σ = 103514526720. Its totient is φ = 21086292304.

The previous prime is 55111900567. The next prime is 55111900573. The reversal of 55111900570 is 7500911155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55111900567) and next prime (55111900573).

It is not an unprimeable number, because it can be changed into a prime (55111900573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119808250 + ... + 119808709.

It is an arithmetic number, because the mean of its divisors is an integer number (6469657920).

Almost surely, 2^55111900570 is an apocalyptic number.

55111900570 is a deficient number, since it is larger than the sum of its proper divisors (48402626150).

55111900570 is a wasteful number, since it uses less digits than its factorization.

55111900570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239616989.

The product of its (nonzero) digits is 7875, while the sum is 34.

The spelling of 55111900570 in words is "fifty-five billion, one hundred eleven million, nine hundred thousand, five hundred seventy".