15655060550 has 24 divisors (see below), whose sum is σ = 29182171656. Its totient is φ = 6248312640.

The previous prime is 15655060523. The next prime is 15655060571. The reversal of 15655060550 is 5506055651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319712 + ... + 365411.

It is an arithmetic number, because the mean of its divisors is an integer number (1215923819).

Almost surely, 2^15655060550 is an apocalyptic number.

15655060550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15655060550 is a deficient number, since it is larger than the sum of its proper divisors (13527111106).

15655060550 is a wasteful number, since it uses less digits than its factorization.

15655060550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685592 (or 685587 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 15655060550 in words is "fifteen billion, six hundred fifty-five million, sixty thousand, five hundred fifty".