55651733715655 has 64 divisors (see below), whose sum is σ = 84180263731200. Its totient is φ = 34310957788800.

The previous prime is 55651733715649. The next prime is 55651733715661.

55651733715655 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55651733715649) and next prime (55651733715661).

It is not a de Polignac number, because 55651733715655 - 2⁹ = 55651733715143 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, 10619910 + ... + 14969500.

It is an arithmetic number, because the mean of its divisors is an integer number (1315316620800).

Almost surely, 2^{55651733715655} is an apocalyptic number.

55651733715655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55651733715655 is a deficient number, since it is larger than the sum of its proper divisors (28528530015545).

55651733715655 is a wasteful number, since it uses less digits than its factorization.

55651733715655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349980.

The product of its digits is 248062500, while the sum is 64.

The spelling of 55651733715655 in words is "fifty-five trillion, six hundred fifty-one billion, seven hundred thirty-three million, seven hundred fifteen thousand, six hundred fifty-five".