55225379402 has 16 divisors (see below), whose sum is σ = 83103624000. Its totient is φ = 27524230272.

The previous prime is 55225379357. The next prime is 55225379437. The reversal of 55225379402 is 20497352255.

55225379402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104253 + ... + 2130335.

It is an arithmetic number, because the mean of its divisors is an integer number (5193976500).

Almost surely, 2^55225379402 is an apocalyptic number.

55225379402 is a deficient number, since it is larger than the sum of its proper divisors (27878244598).

55225379402 is a wasteful number, since it uses less digits than its factorization.

55225379402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29437.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 55225379402 in words is "fifty-five billion, two hundred twenty-five million, three hundred seventy-nine thousand, four hundred two".