55111503023 has 16 divisors (see below), whose sum is σ = 59760439200. Its totient is φ = 50620932096.

The previous prime is 55111503001. The next prime is 55111503067. The reversal of 55111503023 is 32030511155.

It is a happy number.

It is not a de Polignac number, because 55111503023 - 2¹⁰ = 55111501999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55111502983 and 55111503001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111503323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858653 + ... + 920601.

It is an arithmetic number, because the mean of its divisors is an integer number (3735027450).

Almost surely, 2^55111503023 is an apocalyptic number.

55111503023 is a deficient number, since it is larger than the sum of its proper divisors (4648936177).

55111503023 is a wasteful number, since it uses less digits than its factorization.

55111503023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63226.

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 55111503023 in words is "fifty-five billion, one hundred eleven million, five hundred three thousand, twenty-three".