55317233202442 has 16 divisors (see below), whose sum is σ = 83849088242664. Its totient is φ = 27367875000000.

The previous prime is 55317233202421. The next prime is 55317233202449. The reversal of 55317233202442 is 24420233271355.

It can be written as a sum of positive squares in 4 ways, for example, as 52683659239201 + 2633573963241 = 7258351^2 + 1622829^2 .

It is not an unprimeable number, because it can be changed into a prime (55317233202449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84141309 + ... + 84796192.

Almost surely, 2^{55317233202442} is an apocalyptic number.

55317233202442 is a deficient number, since it is larger than the sum of its proper divisors (28531855040222).

55317233202442 is a wasteful number, since it uses less digits than its factorization.

55317233202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168939225.

The product of its (nonzero) digits is 1209600, while the sum is 43.

Adding to 55317233202442 its reverse (24420233271355), we get a palindrome (79737466473797).

The spelling of 55317233202442 in words is "fifty-five trillion, three hundred seventeen billion, two hundred thirty-three million, two hundred two thousand, four hundred forty-two".