55542917593 has 4 divisors (see below), whose sum is σ = 55544197648. Its totient is φ = 55541637540.

The previous prime is 55542917579. The next prime is 55542917621. The reversal of 55542917593 is 39571924555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55542917593 - 2⁵ = 55542917561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55542917393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572571 + ... + 662512.

It is an arithmetic number, because the mean of its divisors is an integer number (13886049412).

Almost surely, 2^55542917593 is an apocalyptic number.

It is an amenable number.

55542917593 is a deficient number, since it is larger than the sum of its proper divisors (1280055).

55542917593 is a wasteful number, since it uses less digits than its factorization.

55542917593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280054.

The product of its digits is 8505000, while the sum is 55.

The spelling of 55542917593 in words is "fifty-five billion, five hundred forty-two million, nine hundred seventeen thousand, five hundred ninety-three".