55158861316 has 48 divisors (see below), whose sum is σ = 109504886400. Its totient is φ = 24100319232.

The previous prime is 55158861311. The next prime is 55158861347. The reversal of 55158861316 is 61316885155.

It is a self number, because there is not a number n which added to its sum of digits gives 55158861316.

It is not an unprimeable number, because it can be changed into a prime (55158861311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372281 + ... + 1411903.

It is an arithmetic number, because the mean of its divisors is an integer number (2281351800).

Almost surely, 2^55158861316 is an apocalyptic number.

It is an amenable number.

55158861316 is a deficient number, since it is larger than the sum of its proper divisors (54346025084).

55158861316 is a wasteful number, since it uses less digits than its factorization.

55158861316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41068 (or 41066 counting only the distinct ones).

The product of its digits is 864000, while the sum is 49.

The spelling of 55158861316 in words is "fifty-five billion, one hundred fifty-eight million, eight hundred sixty-one thousand, three hundred sixteen".