69940055055 has 16 divisors (see below), whose sum is σ = 120512095200. Its totient is φ = 34432027008.

The previous prime is 69940055023. The next prime is 69940055063. The reversal of 69940055055 is 55055004996.

It is not a de Polignac number, because 69940055055 - 2⁵ = 69940055023 is a prime.

It is a super-4 number, since 4×69940055055⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 69940054995 and 69940055013.

It is a congruent 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, 179333280 + ... + 179333669.

It is an arithmetic number, because the mean of its divisors is an integer number (7532005950).

Almost surely, 2^69940055055 is an apocalyptic number.

69940055055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

69940055055 is a deficient number, since it is larger than the sum of its proper divisors (50572040145).

69940055055 is a wasteful number, since it uses less digits than its factorization.

69940055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358666970.

The product of its (nonzero) digits is 1215000, while the sum is 48.

The spelling of 69940055055 in words is "sixty-nine billion, nine hundred forty million, fifty-five thousand, fifty-five".