51223530350 has 12 divisors (see below), whose sum is σ = 95275766544. Its totient is φ = 20489412120.

The previous prime is 51223530341. The next prime is 51223530451. The reversal of 51223530350 is 5303532215.

It is a super-2 number, since 2×51223530350² (a number of 22 digits) contains 22 as substring.

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, 512235254 + ... + 512235353.

It is an arithmetic number, because the mean of its divisors is an integer number (7939647212).

Almost surely, 2^51223530350 is an apocalyptic number.

51223530350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51223530350 is a deficient number, since it is larger than the sum of its proper divisors (44052236194).

51223530350 is a wasteful number, since it uses less digits than its factorization.

51223530350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024470619 (or 1024470614 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 51223530350 in words is "fifty-one billion, two hundred twenty-three million, five hundred thirty thousand, three hundred fifty".