51724627202226 has 64 divisors (see below), whose sum is σ = 113587161246720. Its totient is φ = 15572289994560.

The previous prime is 51724627202221. The next prime is 51724627202233. The reversal of 51724627202226 is 62220272642715.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51724627202221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81200595 + ... + 81835113.

It is an arithmetic number, because the mean of its divisors is an integer number (1774799394480).

Almost surely, 2^{51724627202226} is an apocalyptic number.

51724627202226 is an abundant number, since it is smaller than the sum of its proper divisors (61862534044494).

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

51724627202226 is a wasteful number, since it uses less digits than its factorization.

51724627202226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642559.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 51724627202226 in words is "fifty-one trillion, seven hundred twenty-four billion, six hundred twenty-seven million, two hundred two thousand, two hundred twenty-six".