55005005505615 has 64 divisors (see below), whose sum is σ = 100185556008960. Its totient is φ = 25508924524160.

The previous prime is 55005005505551. The next prime is 55005005505679. The reversal of 55005005505615 is 51650550050055.

It is an interprime number because it is at equal distance from previous prime (55005005505551) and next prime (55005005505679).

It is not a de Polignac number, because 55005005505615 - 2⁶ = 55005005505551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171612976 + ... + 171933194.

It is an arithmetic number, because the mean of its divisors is an integer number (1565399312640).

Almost surely, 2^{55005005505615} is an apocalyptic number.

55005005505615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55005005505615 is a deficient number, since it is larger than the sum of its proper divisors (45180550503345).

55005005505615 is a wasteful number, since it uses less digits than its factorization.

55005005505615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365524.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 55005005505615 in words is "fifty-five trillion, five billion, five million, five hundred five thousand, six hundred fifteen".