55815372743 has 32 divisors (see below), whose sum is σ = 63608832000. Its totient is φ = 48551602176.

The previous prime is 55815372713. The next prime is 55815372803. The reversal of 55815372743 is 34727351855.

It is a cyclic number.

It is not a de Polignac number, because 55815372743 - 2¹⁰ = 55815371719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55815372691 and 55815372700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55815372703) 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, 51347546 + ... + 51348632.

It is an arithmetic number, because the mean of its divisors is an integer number (1987776000).

Almost surely, 2^55815372743 is an apocalyptic number.

55815372743 is a deficient number, since it is larger than the sum of its proper divisors (7793459257).

55815372743 is a wasteful number, since it uses less digits than its factorization.

55815372743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its digits is 3528000, while the sum is 50.

The spelling of 55815372743 in words is "fifty-five billion, eight hundred fifteen million, three hundred seventy-two thousand, seven hundred forty-three".