55688081939 has 32 divisors (see below), whose sum is σ = 68800596480. Its totient is φ = 44008054272.

The previous prime is 55688081927. The next prime is 55688081957. The reversal of 55688081939 is 93918088655.

55688081939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55688081939 - 2¹⁶ = 55688016403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55688071939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1566587 + ... + 1601739.

It is an arithmetic number, because the mean of its divisors is an integer number (2150018640).

Almost surely, 2^55688081939 is an apocalyptic number.

55688081939 is a deficient number, since it is larger than the sum of its proper divisors (13112514541).

55688081939 is a wasteful number, since it uses less digits than its factorization.

55688081939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35499.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 55688081939 in words is "fifty-five billion, six hundred eighty-eight million, eighty-one thousand, nine hundred thirty-nine".