55255655740 has 24 divisors (see below), whose sum is σ = 116041353120. Its totient is φ = 22101409728.

The previous prime is 55255655729. The next prime is 55255655759. The reversal of 55255655740 is 4755655255.

It is a congruent number.

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, 859641 + ... + 921679.

It is an arithmetic number, because the mean of its divisors is an integer number (4835056380).

Almost surely, 2^55255655740 is an apocalyptic number.

It is an amenable number.

55255655740 is an abundant number, since it is smaller than the sum of its proper divisors (60785697380).

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

55255655740 is a wasteful number, since it uses less digits than its factorization.

55255655740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106581 (or 106579 counting only the distinct ones).

The product of its (nonzero) digits is 5250000, while the sum is 49.

The spelling of 55255655740 in words is "fifty-five billion, two hundred fifty-five million, six hundred fifty-five thousand, seven hundred forty".