55610561590 has 8 divisors (see below), whose sum is σ = 100099010880. Its totient is φ = 22244224632.

The previous prime is 55610561549. The next prime is 55610561593. The reversal of 55610561590 is 9516501655.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55610561593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780528070 + ... + 2780528089.

It is an arithmetic number, because the mean of its divisors is an integer number (12512376360).

Almost surely, 2^55610561590 is an apocalyptic number.

55610561590 is a deficient number, since it is larger than the sum of its proper divisors (44488449290).

55610561590 is a wasteful number, since it uses less digits than its factorization.

55610561590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561056166.

The product of its (nonzero) digits is 202500, while the sum is 43.

The spelling of 55610561590 in words is "fifty-five billion, six hundred ten million, five hundred sixty-one thousand, five hundred ninety".