255550511893 has 8 divisors (see below), whose sum is σ = 266929228800. Its totient is φ = 244342903728.

The previous prime is 255550511873. The next prime is 255550511911. The reversal of 255550511893 is 398115055552.

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

It is a cyclic number.

It is not a de Polignac number, because 255550511893 - 2²¹ = 255548414741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255550511873) 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, 42774133 + ... + 42780106.

It is an arithmetic number, because the mean of its divisors is an integer number (33366153600).

Almost surely, 2^255550511893 is an apocalyptic number.

It is an amenable number.

255550511893 is a deficient number, since it is larger than the sum of its proper divisors (11378716907).

255550511893 is a wasteful number, since it uses less digits than its factorization.

255550511893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85554371.

The product of its (nonzero) digits is 1350000, while the sum is 49.

The spelling of 255550511893 in words is "two hundred fifty-five billion, five hundred fifty million, five hundred eleven thousand, eight hundred ninety-three".