55347692685 has 16 divisors (see below), whose sum is σ = 88600789824. Its totient is φ = 29503942272.

The previous prime is 55347692681. The next prime is 55347692689. The reversal of 55347692685 is 58629674355.

It is an interprime number because it is at equal distance from previous prime (55347692681) and next prime (55347692689).

It is not a de Polignac number, because 55347692685 - 2² = 55347692681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55347692681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895807 + ... + 955596.

It is an arithmetic number, because the mean of its divisors is an integer number (5537549364).

Almost surely, 2^55347692685 is an apocalyptic number.

It is an amenable number.

55347692685 is a deficient number, since it is larger than the sum of its proper divisors (33253097139).

55347692685 is a wasteful number, since it uses less digits than its factorization.

55347692685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853404.

The product of its digits is 54432000, while the sum is 60.

The spelling of 55347692685 in words is "fifty-five billion, three hundred forty-seven million, six hundred ninety-two thousand, six hundred eighty-five".