55306104690 has 64 divisors (see below), whose sum is σ = 133167628800. Its totient is φ = 14700263424.

The previous prime is 55306104671. The next prime is 55306104697. The reversal of 55306104690 is 9640160355.

It is a super-2 number, since 2×55306104690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55306104697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17902666 + ... + 17905754.

It is an arithmetic number, because the mean of its divisors is an integer number (2080744200).

Almost surely, 2^55306104690 is an apocalyptic number.

55306104690 is an abundant number, since it is smaller than the sum of its proper divisors (77861524110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55306104690 is a wasteful number, since it uses less digits than its factorization.

55306104690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 55306104690 in words is "fifty-five billion, three hundred six million, one hundred four thousand, six hundred ninety".