55542531345 has 64 divisors (see below), whose sum is σ = 102663697920. Its totient is φ = 25117267968.

The previous prime is 55542531323. The next prime is 55542531349. The reversal of 55542531345 is 54313524555.

It is not a de Polignac number, because 55542531345 - 2⁵ = 55542531313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55542531297 and 55542531306.

It is not an unprimeable number, because it can be changed into a prime (55542531349) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3767709 + ... + 3782421.

It is an arithmetic number, because the mean of its divisors is an integer number (1604120280).

Almost surely, 2^55542531345 is an apocalyptic number.

It is an amenable number.

55542531345 is a deficient number, since it is larger than the sum of its proper divisors (47121166575).

55542531345 is a wasteful number, since it uses less digits than its factorization.

55542531345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114.

The product of its digits is 900000, while the sum is 42.

The spelling of 55542531345 in words is "fifty-five billion, five hundred forty-two million, five hundred thirty-one thousand, three hundred forty-five".