55642254783 has 8 divisors (see below), whose sum is σ = 74309529600. Its totient is φ = 37034908248.

The previous prime is 55642254743. The next prime is 55642254791. The reversal of 55642254783 is 38745224655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-55642254783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55642254743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14979903 + ... + 14983616.

It is an arithmetic number, because the mean of its divisors is an integer number (9288691200).

Almost surely, 2^55642254783 is an apocalyptic number.

55642254783 is a deficient number, since it is larger than the sum of its proper divisors (18667274817).

55642254783 is a wasteful number, since it uses less digits than its factorization.

55642254783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29964141.

The product of its digits is 8064000, while the sum is 51.

The spelling of 55642254783 in words is "fifty-five billion, six hundred forty-two million, two hundred fifty-four thousand, seven hundred eighty-three".