55561672230 has 32 divisors (see below), whose sum is σ = 135338287104. Its totient is φ = 14595304416.

The previous prime is 55561672223. The next prime is 55561672249. The reversal of 55561672230 is 3227616555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13819302 + ... + 13823321.

It is an arithmetic number, because the mean of its divisors is an integer number (4229321472).

Almost surely, 2^55561672230 is an apocalyptic number.

55561672230 is an abundant number, since it is smaller than the sum of its proper divisors (79776614874).

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

55561672230 is a wasteful number, since it uses less digits than its factorization.

55561672230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27642700.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 55561672230 in words is "fifty-five billion, five hundred sixty-one million, six hundred seventy-two thousand, two hundred thirty".