55075440511242 has 64 divisors (see below), whose sum is σ = 127713062568960. Its totient is φ = 17560024658352.

The previous prime is 55075440511207. The next prime is 55075440511253. The reversal of 55075440511242 is 24211504457055.

55075440511242 is a `hidden beast` number, since 5 + 5 + 0 + 7 + 54 + 40 + 511 + 2 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94303333 + ... + 94885559.

It is an arithmetic number, because the mean of its divisors is an integer number (1995516602640).

Almost surely, 2^{55075440511242} is an apocalyptic number.

55075440511242 is an abundant number, since it is smaller than the sum of its proper divisors (72637622057718).

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

55075440511242 is a wasteful number, since it uses less digits than its factorization.

55075440511242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658424 (or 658418 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 45.

Adding to 55075440511242 its reverse (24211504457055), we get a palindrome (79286944968297).

The spelling of 55075440511242 in words is "fifty-five trillion, seventy-five billion, four hundred forty million, five hundred eleven thousand, two hundred forty-two".