51234822 has 32 divisors (see below), whose sum is σ = 117784800. Its totient is φ = 16488864.

The previous prime is 51234803. The next prime is 51234829. The reversal of 51234822 is 22843215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14793 + ... + 17924.

It is an arithmetic number, because the mean of its divisors is an integer number (3680775).

Almost surely, 2^51234822 is an apocalyptic number.

51234822 is an abundant number, since it is smaller than the sum of its proper divisors (66549978).

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

51234822 is a wasteful number, since it uses less digits than its factorization.

51234822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32757 (or 32751 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 51234822 is about 7157.8503756365. The cubic root of 51234822 is about 371.4112695942.

The spelling of 51234822 in words is "fifty-one million, two hundred thirty-four thousand, eight hundred twenty-two".