61594566055 has 16 divisors (see below), whose sum is σ = 80667353088. Its totient is φ = 44776900000.

The previous prime is 61594566043. The next prime is 61594566071. The reversal of 61594566055 is 55066549516.

It is not a de Polignac number, because 61594566055 - 2³¹ = 59447082407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61594565993 and 61594566011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108871 + ... + 367480.

It is an arithmetic number, because the mean of its divisors is an integer number (5041709568).

Almost surely, 2^61594566055 is an apocalyptic number.

61594566055 is a deficient number, since it is larger than the sum of its proper divisors (19072787033).

61594566055 is a wasteful number, since it uses less digits than its factorization.

61594566055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478718.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 61594566055 in words is "sixty-one billion, five hundred ninety-four million, five hundred sixty-six thousand, fifty-five".