55306839249 has 12 divisors (see below), whose sum is σ = 79965155712. Its totient is φ = 36835457400.

The previous prime is 55306839239. The next prime is 55306839283. The reversal of 55306839249 is 94293860355.

55306839249 is a `hidden beast` number, since 5 + 530 + 6 + 83 + 9 + 24 + 9 = 666.

It is not a de Polignac number, because 55306839249 - 2⁴ = 55306839233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55306839195 and 55306839204.

It is not an unprimeable number, because it can be changed into a prime (55306839229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2970937 + ... + 2989494.

It is an arithmetic number, because the mean of its divisors is an integer number (6663762976).

Almost surely, 2^55306839249 is an apocalyptic number.

It is an amenable number.

55306839249 is a deficient number, since it is larger than the sum of its proper divisors (24658316463).

55306839249 is a wasteful number, since it uses less digits than its factorization.

55306839249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961468 (or 5961465 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 55306839249 in words is "fifty-five billion, three hundred six million, eight hundred thirty-nine thousand, two hundred forty-nine".