51224846 has 8 divisors (see below), whose sum is σ = 79486920. Its totient is φ = 24729208.

The previous prime is 51224843. The next prime is 51224851. The reversal of 51224846 is 64842215.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51224843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441536 + ... + 441651.

It is an arithmetic number, because the mean of its divisors is an integer number (9935865).

Almost surely, 2^51224846 is an apocalyptic number.

51224846 is a deficient number, since it is larger than the sum of its proper divisors (28262074).

51224846 is a wasteful number, since it uses less digits than its factorization.

51224846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883218.

The product of its digits is 15360, while the sum is 32.

The square root of 51224846 is about 7157.1534844518. The cubic root of 51224846 is about 371.3871620361.

The spelling of 51224846 in words is "fifty-one million, two hundred twenty-four thousand, eight hundred forty-six".