51223533762 has 32 divisors (see below), whose sum is σ = 106423922304. Its totient is φ = 16423433600.

The previous prime is 51223533761. The next prime is 51223533773. The reversal of 51223533762 is 26733532215.

It is a super-2 number, since 2×51223533762² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51223533762.

It is not an unprimeable number, because it can be changed into a prime (51223533761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448913 + ... + 1483844.

It is an arithmetic number, because the mean of its divisors is an integer number (3325747572).

Almost surely, 2^51223533762 is an apocalyptic number.

51223533762 is an abundant number, since it is smaller than the sum of its proper divisors (55200388542).

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

51223533762 is a wasteful number, since it uses less digits than its factorization.

51223533762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932874.

The product of its digits is 226800, while the sum is 39.

The spelling of 51223533762 in words is "fifty-one billion, two hundred twenty-three million, five hundred thirty-three thousand, seven hundred sixty-two".