55111550601 has 32 divisors (see below), whose sum is σ = 76988620800. Its totient is φ = 35030817920.

The previous prime is 55111550573. The next prime is 55111550629. The reversal of 55111550601 is 10605511155.

55111550601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55111550573) and next prime (55111550629).

It is a cyclic number.

It is not a de Polignac number, because 55111550601 - 2⁵ = 55111550569 is a prime.

It is a super-2 number, since 2×55111550601² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55111550201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4149910 + ... + 4163168.

It is an arithmetic number, because the mean of its divisors is an integer number (2405894400).

Almost surely, 2^55111550601 is an apocalyptic number.

It is an amenable number.

55111550601 is a deficient number, since it is larger than the sum of its proper divisors (21877070199).

55111550601 is a wasteful number, since it uses less digits than its factorization.

55111550601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 55111550601 in words is "fifty-five billion, one hundred eleven million, five hundred fifty thousand, six hundred one".