55125033402 has 16 divisors (see below), whose sum is σ = 111225732480. Its totient is φ = 18212400192.

The previous prime is 55125033377. The next prime is 55125033421. The reversal of 55125033402 is 20433052155.

It is a self number, because there is not a number n which added to its sum of digits gives 55125033402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40652002 + ... + 40653357.

It is an arithmetic number, because the mean of its divisors is an integer number (6951608280).

Almost surely, 2^55125033402 is an apocalyptic number.

55125033402 is an abundant number, since it is smaller than the sum of its proper divisors (56100699078).

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

55125033402 is a wasteful number, since it uses less digits than its factorization.

55125033402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81305477.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 55125033402 its reverse (20433052155), we get a palindrome (75558085557).

The spelling of 55125033402 in words is "fifty-five billion, one hundred twenty-five million, thirty-three thousand, four hundred two".