55867108738 has 128 divisors (see below), whose sum is σ = 106663772160. Its totient is φ = 21398307840.

The previous prime is 55867108733. The next prime is 55867108751. The reversal of 55867108738 is 83780176855.

It is a happy number.

It is a super-2 number, since 2×55867108738² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55867108733) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102133381 + ... + 102133927.

It is an arithmetic number, because the mean of its divisors is an integer number (833310720).

Almost surely, 2^55867108738 is an apocalyptic number.

55867108738 is a deficient number, since it is larger than the sum of its proper divisors (50796663422).

55867108738 is a wasteful number, since it uses less digits than its factorization.

55867108738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 55867108738 in words is "fifty-five billion, eight hundred sixty-seven million, one hundred eight thousand, seven hundred thirty-eight".