55849986995 has 64 divisors (see below), whose sum is σ = 75044496384. Its totient is φ = 39563089920.

The previous prime is 55849986971. The next prime is 55849987021. The reversal of 55849986995 is 59968994855.

55849986995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-55849986995 is a prime.

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, 212357234 + ... + 212357496.

It is an arithmetic number, because the mean of its divisors is an integer number (1172570256).

Almost surely, 2^55849986995 is an apocalyptic number.

55849986995 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55849986995 is a deficient number, since it is larger than the sum of its proper divisors (19194509389).

55849986995 is a wasteful number, since it uses less digits than its factorization.

55849986995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its digits is 1259712000, while the sum is 77.

The spelling of 55849986995 in words is "fifty-five billion, eight hundred forty-nine million, nine hundred eighty-six thousand, nine hundred ninety-five".