55039256673 has 24 divisors (see below), whose sum is σ = 74996124672. Its totient is φ = 35904418368.

The previous prime is 55039256603. The next prime is 55039256693. The reversal of 55039256673 is 37665293055.

It is not a de Polignac number, because 55039256673 - 2¹⁷ = 55039125601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55039256603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3219015 + ... + 3236067.

It is an arithmetic number, because the mean of its divisors is an integer number (3124838528).

Almost surely, 2^55039256673 is an apocalyptic number.

55039256673 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55039256673 is a deficient number, since it is larger than the sum of its proper divisors (19956867999).

55039256673 is a wasteful number, since it uses less digits than its factorization.

55039256673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17545 (or 17492 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 51.

The spelling of 55039256673 in words is "fifty-five billion, thirty-nine million, two hundred fifty-six thousand, six hundred seventy-three".