55736666663755 has 16 divisors (see below), whose sum is σ = 83387844152064. Its totient is φ = 34744935062880.

The previous prime is 55736666663737. The next prime is 55736666663773.

55736666663755 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55736666663737) and next prime (55736666663773).

It is not a de Polignac number, because 55736666663755 - 2¹⁵ = 55736666630987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72385280997 + ... + 72385281766.

It is an arithmetic number, because the mean of its divisors is an integer number (5211740259504).

Almost surely, 2^{55736666663755} is an apocalyptic number.

55736666663755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55736666663755 is a deficient number, since it is larger than the sum of its proper divisors (27651177488309).

55736666663755 is a wasteful number, since it uses less digits than its factorization.

55736666663755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144770562786.

The product of its digits is 12859560000, while the sum is 76.

The spelling of 55736666663755 in words is "fifty-five trillion, seven hundred thirty-six billion, six hundred sixty-six million, six hundred sixty-three thousand, seven hundred fifty-five".