55384401233 has 16 divisors (see below), whose sum is σ = 66518981760. Its totient is φ = 45115128576.

The previous prime is 55384401229. The next prime is 55384401263. The reversal of 55384401233 is 33210448355.

55384401233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55384401233 - 2² = 55384401229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55384401263) 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, 2475368 + ... + 2497641.

It is an arithmetic number, because the mean of its divisors is an integer number (4157436360).

Almost surely, 2^55384401233 is an apocalyptic number.

It is an amenable number.

55384401233 is a deficient number, since it is larger than the sum of its proper divisors (11134580527).

55384401233 is a wasteful number, since it uses less digits than its factorization.

55384401233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973096.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 55384401233 its reverse (33210448355), we get a palindrome (88594849588).

The spelling of 55384401233 in words is "fifty-five billion, three hundred eighty-four million, four hundred one thousand, two hundred thirty-three".