51464722 has 8 divisors (see below), whose sum is σ = 78992496. Its totient is φ = 25133892.

The previous prime is 51464719. The next prime is 51464723. The reversal of 51464722 is 22746415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51464722² = 5297235221074568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51464723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299128 + ... + 299299.

It is an arithmetic number, because the mean of its divisors is an integer number (9874062).

Almost surely, 2^51464722 is an apocalyptic number.

51464722 is a deficient number, since it is larger than the sum of its proper divisors (27527774).

51464722 is a wasteful number, since it uses less digits than its factorization.

51464722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598472.

The product of its digits is 13440, while the sum is 31.

The square root of 51464722 is about 7173.8916914043. The cubic root of 51464722 is about 371.9659707956.

The spelling of 51464722 in words is "fifty-one million, four hundred sixty-four thousand, seven hundred twenty-two".