55606556115 has 72 divisors (see below), whose sum is σ = 108807242544. Its totient is φ = 26231990400.

The previous prime is 55606556111. The next prime is 55606556149. The reversal of 55606556115 is 51165560655.

It is not a de Polignac number, because 55606556115 - 2² = 55606556111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (55606556111) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63460 + ... + 339470.

It is an arithmetic number, because the mean of its divisors is an integer number (1511211702).

Almost surely, 2^55606556115 is an apocalyptic number.

55606556115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55606556115 is a deficient number, since it is larger than the sum of its proper divisors (53200686429).

55606556115 is a wasteful number, since it uses less digits than its factorization.

55606556115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276081 (or 276067 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 55606556115 in words is "fifty-five billion, six hundred six million, five hundred fifty-six thousand, one hundred fifteen".