55309687226 has 8 divisors (see below), whose sum is σ = 85825376820. Its totient is φ = 26701228288.

The previous prime is 55309687219. The next prime is 55309687259. The reversal of 55309687226 is 62278690355.

It can be written as a sum of positive squares in 2 ways, for example, as 51986280025 + 3323407201 = 228005^2 + 57649^2 .

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, 476807591 + ... + 476807706.

Almost surely, 2^55309687226 is an apocalyptic number.

55309687226 is a deficient number, since it is larger than the sum of its proper divisors (30515689594).

55309687226 is a wasteful number, since it uses less digits than its factorization.

55309687226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953615328.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 55309687226 in words is "fifty-five billion, three hundred nine million, six hundred eighty-seven thousand, two hundred twenty-six".