55715225506 has 8 divisors (see below), whose sum is σ = 84749920704. Its totient is φ = 27465251940.

The previous prime is 55715225479. The next prime is 55715225521. The reversal of 55715225506 is 60552251755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196180230 + ... + 196180513.

It is an arithmetic number, because the mean of its divisors is an integer number (10593740088).

Almost surely, 2^55715225506 is an apocalyptic number.

55715225506 is a deficient number, since it is larger than the sum of its proper divisors (29034695198).

55715225506 is a wasteful number, since it uses less digits than its factorization.

55715225506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392360816.

The product of its (nonzero) digits is 525000, while the sum is 43.

The spelling of 55715225506 in words is "fifty-five billion, seven hundred fifteen million, two hundred twenty-five thousand, five hundred six".