55373003643 has 6 divisors (see below), whose sum is σ = 73831214964. Its totient is φ = 36915064044.

The previous prime is 55373003641. The next prime is 55373003659. The reversal of 55373003643 is 34630037355.

It is not a de Polignac number, because 55373003643 - 2¹ = 55373003641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55373003641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339648 + ... + 475506.

It is an arithmetic number, because the mean of its divisors is an integer number (12305202494).

Almost surely, 2^55373003643 is an apocalyptic number.

55373003643 is a deficient number, since it is larger than the sum of its proper divisors (18458211321).

55373003643 is an frugal number, since it uses more digits than its factorization.

55373003643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271721 (or 135862 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 39.

The spelling of 55373003643 in words is "fifty-five billion, three hundred seventy-three million, three thousand, six hundred forty-three".