55819137358 has 16 divisors (see below), whose sum is σ = 86318638560. Its totient is φ = 27051994656.

The previous prime is 55819137349. The next prime is 55819137379. The reversal of 55819137358 is 85373191855.

It is a junction number, because it is equal to n+sod(n) for n = 55819137299 and 55819137308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414593 + ... + 1453516.

It is an arithmetic number, because the mean of its divisors is an integer number (5394914910).

Almost surely, 2^55819137358 is an apocalyptic number.

55819137358 is a deficient number, since it is larger than the sum of its proper divisors (30499501202).

55819137358 is a wasteful number, since it uses less digits than its factorization.

55819137358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868411.

The product of its digits is 4536000, while the sum is 55.

The spelling of 55819137358 in words is "fifty-five billion, eight hundred nineteen million, one hundred thirty-seven thousand, three hundred fifty-eight".