55908251867 has 8 divisors (see below), whose sum is σ = 60267871440. Its totient is φ = 51557058720.

The previous prime is 55908251863. The next prime is 55908251873. The reversal of 55908251867 is 76815280955.

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 55908251867 - 2² = 55908251863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55908251863) 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, 2092817 + ... + 2119362.

It is an arithmetic number, because the mean of its divisors is an integer number (7533483930).

Almost surely, 2^55908251867 is an apocalyptic number.

55908251867 is a deficient number, since it is larger than the sum of its proper divisors (4359619573).

55908251867 is a wasteful number, since it uses less digits than its factorization.

55908251867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213213.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 55908251867 in words is "fifty-five billion, nine hundred eight million, two hundred fifty-one thousand, eight hundred sixty-seven".