55883638855 has 64 divisors (see below), whose sum is σ = 75605363712. Its totient is φ = 39639600000.

The previous prime is 55883638849. The next prime is 55883638861.

55883638855 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55883638849) and next prime (55883638861).

It is not a de Polignac number, because 55883638855 - 2²⁷ = 55749421127 is a prime.

It is a super-2 number, since 2×55883638855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 47722420 + ... + 47723590.

It is an arithmetic number, because the mean of its divisors is an integer number (1181333808).

Almost surely, 2^55883638855 is an apocalyptic number.

55883638855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55883638855 is a deficient number, since it is larger than the sum of its proper divisors (19721724857).

55883638855 is a wasteful number, since it uses less digits than its factorization.

55883638855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1359 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 64.

The spelling of 55883638855 in words is "fifty-five billion, eight hundred eighty-three million, six hundred thirty-eight thousand, eight hundred fifty-five".