55255346615 has 32 divisors (see below), whose sum is σ = 77393577600. Its totient is φ = 37855910400.

The previous prime is 55255346611. The next prime is 55255346617. The reversal of 55255346615 is 51664355255.

It is not a de Polignac number, because 55255346615 - 2² = 55255346611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55255346615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255346611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2011775 + ... + 2039055.

It is an arithmetic number, because the mean of its divisors is an integer number (2418549300).

Almost surely, 2^55255346615 is an apocalyptic number.

55255346615 is a deficient number, since it is larger than the sum of its proper divisors (22138230985).

55255346615 is a wasteful number, since it uses less digits than its factorization.

55255346615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488 (or 28474 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 47.

The spelling of 55255346615 in words is "fifty-five billion, two hundred fifty-five million, three hundred forty-six thousand, six hundred fifteen".