51222767522774 has 32 divisors (see below), whose sum is σ = 78388064409600. Its totient is φ = 25096219190560.

The previous prime is 51222767522743. The next prime is 51222767522831. The reversal of 51222767522774 is 47722576722215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (59).

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, 725304437 + ... + 725375055.

It is an arithmetic number, because the mean of its divisors is an integer number (2449627012800).

Almost surely, 2^{51222767522774} is an apocalyptic number.

51222767522774 is a deficient number, since it is larger than the sum of its proper divisors (27165296886826).

51222767522774 is a wasteful number, since it uses less digits than its factorization.

51222767522774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90388.

The product of its digits is 46099200, while the sum is 59.

The spelling of 51222767522774 in words is "fifty-one trillion, two hundred twenty-two billion, seven hundred sixty-seven million, five hundred twenty-two thousand, seven hundred seventy-four".