55313324403 has 16 divisors (see below), whose sum is σ = 74597796000. Its totient is φ = 36452401920.

The previous prime is 55313324389. The next prime is 55313324453. The reversal of 55313324403 is 30442331355.

It is not a de Polignac number, because 55313324403 - 2²⁵ = 55279769971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55313324453) 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, 1191813 + ... + 1237353.

It is an arithmetic number, because the mean of its divisors is an integer number (4662362250).

Almost surely, 2^55313324403 is an apocalyptic number.

55313324403 is a deficient number, since it is larger than the sum of its proper divisors (19284471597).

55313324403 is a wasteful number, since it uses less digits than its factorization.

55313324403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50182.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 55313324403 its reverse (30442331355), we get a palindrome (85755655758).

The spelling of 55313324403 in words is "fifty-five billion, three hundred thirteen million, three hundred twenty-four thousand, four hundred three".