55915263085 has 32 divisors (see below), whose sum is σ = 77081621760. Its totient is φ = 38540620800.

The previous prime is 55915263071. The next prime is 55915263097. The reversal of 55915263085 is 58036251955.

55915263085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55915263085 - 2¹¹ = 55915261037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64876 + ... + 340645.

It is an arithmetic number, because the mean of its divisors is an integer number (2408800680).

Almost surely, 2^55915263085 is an apocalyptic number.

55915263085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55915263085 is a deficient number, since it is larger than the sum of its proper divisors (21166358675).

55915263085 is a wasteful number, since it uses less digits than its factorization.

55915263085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405669.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 55915263085 in words is "fifty-five billion, nine hundred fifteen million, two hundred sixty-three thousand, eighty-five".