56574066606550 has 12 divisors (see below), whose sum is σ = 105227763888276. Its totient is φ = 22629626642600.

The previous prime is 56574066606479. The next prime is 56574066606571. The reversal of 56574066606550 is 5560666047565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565740666016 + ... + 565740666115.

It is an arithmetic number, because the mean of its divisors is an integer number (8768980324023).

Almost surely, 2^{56574066606550} is an apocalyptic number.

56574066606550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56574066606550 is a deficient number, since it is larger than the sum of its proper divisors (48653697281726).

56574066606550 is a wasteful number, since it uses less digits than its factorization.

56574066606550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131481332143 (or 1131481332138 counting only the distinct ones).

The product of its (nonzero) digits is 136080000, while the sum is 61.

The spelling of 56574066606550 in words is "fifty-six trillion, five hundred seventy-four billion, sixty-six million, six hundred six thousand, five hundred fifty".