55550431110 has 16 divisors (see below), whose sum is σ = 133321034736. Its totient is φ = 14813448288.

The previous prime is 55550431067. The next prime is 55550431141. The reversal of 55550431110 is 1113405555.

55550431110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1851681037 = 55550431110 / (5 + 5 + 5 + 5 + 0 + 4 + 3 + 1 + 1 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925840489 + ... + 925840548.

It is an arithmetic number, because the mean of its divisors is an integer number (8332564671).

Almost surely, 2^55550431110 is an apocalyptic number.

55550431110 is an abundant number, since it is smaller than the sum of its proper divisors (77770603626).

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

55550431110 is a wasteful number, since it uses less digits than its factorization.

55550431110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851681047.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 55550431110 its reverse (1113405555), we get a palindrome (56663836665).

The spelling of 55550431110 in words is "fifty-five billion, five hundred fifty million, four hundred thirty-one thousand, one hundred ten".