55506655615 has 8 divisors (see below), whose sum is σ = 66636380880. Its totient is φ = 44386395072.

The previous prime is 55506655571. The next prime is 55506655639. The reversal of 55506655615 is 51655660555.

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

It is a cyclic number.

It is not a de Polignac number, because 55506655615 - 2¹¹ = 55506653567 is a prime.

It is a super-2 number, since 2×55506655615² (a number of 22 digits) contains 22 as substring.

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, 2353270 + ... + 2376739.

It is an arithmetic number, because the mean of its divisors is an integer number (8329547610).

Almost surely, 2^55506655615 is an apocalyptic number.

55506655615 is a deficient number, since it is larger than the sum of its proper divisors (11129725265).

55506655615 is a wasteful number, since it uses less digits than its factorization.

55506655615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732361.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 55506655615 in words is "fifty-five billion, five hundred six million, six hundred fifty-five thousand, six hundred fifteen".