55284972833 has 4 divisors (see below), whose sum is σ = 57688667328. Its totient is φ = 52881278340.

The previous prime is 55284972737. The next prime is 55284972877. The reversal of 55284972833 is 33827948255.

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 55284972833 - 2¹⁰ = 55284971809 is a prime.

It is a super-2 number, since 2×55284972833² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55284912833) 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, 1201847213 + ... + 1201847258.

It is an arithmetic number, because the mean of its divisors is an integer number (14422166832).

Almost surely, 2^55284972833 is an apocalyptic number.

It is an amenable number.

55284972833 is a deficient number, since it is larger than the sum of its proper divisors (2403694495).

55284972833 is a wasteful number, since it uses less digits than its factorization.

55284972833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403694494.

The product of its digits is 14515200, while the sum is 56.

The spelling of 55284972833 in words is "fifty-five billion, two hundred eighty-four million, nine hundred seventy-two thousand, eight hundred thirty-three".