55963699636955 has 24 divisors (see below), whose sum is σ = 73834463220000. Its totient is φ = 40691013327360.

The previous prime is 55963699636931. The next prime is 55963699636961.

55963699636955 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55963699636955 - 2¹² = 55963699632859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8703455 + ... + 13699544.

It is an arithmetic number, because the mean of its divisors is an integer number (3076435967500).

Almost surely, 2^{55963699636955} is an apocalyptic number.

55963699636955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55963699636955 is a deficient number, since it is larger than the sum of its proper divisors (17870763583045).

55963699636955 is a wasteful number, since it uses less digits than its factorization.

55963699636955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22407155 (or 22407144 counting only the distinct ones).

The product of its digits is 47829690000, while the sum is 86.

The spelling of 55963699636955 in words is "fifty-five trillion, nine hundred sixty-three billion, six hundred ninety-nine million, six hundred thirty-six thousand, nine hundred fifty-five".