55566789137 has 8 divisors (see below), whose sum is σ = 55982055936. Its totient is φ = 55151662752.

The previous prime is 55566789127. The next prime is 55566789167. The reversal of 55566789137 is 73198766555.

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 55566789137 - 2²⁴ = 55550011921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55566789137.

It is not an unprimeable number, because it can be changed into a prime (55566789127) 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, 840428 + ... + 904130.

It is an arithmetic number, because the mean of its divisors is an integer number (6997756992).

Almost surely, 2^55566789137 is an apocalyptic number.

It is an amenable number.

55566789137 is a deficient number, since it is larger than the sum of its proper divisors (415266799).

55566789137 is a wasteful number, since it uses less digits than its factorization.

55566789137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70207.

The product of its digits is 47628000, while the sum is 62.

The spelling of 55566789137 in words is "fifty-five billion, five hundred sixty-six million, seven hundred eighty-nine thousand, one hundred thirty-seven".