51244626 has 8 divisors (see below), whose sum is σ = 102489264. Its totient is φ = 17081540.

The previous prime is 51244619. The next prime is 51244639. The reversal of 51244626 is 62644215.

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

51244626 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51244593 and 51244602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270380 + ... + 4270391.

It is an arithmetic number, because the mean of its divisors is an integer number (12811158).

Almost surely, 2^51244626 is an apocalyptic number.

51244626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51244626 is a wasteful number, since it uses less digits than its factorization.

51244626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8540776.

The product of its digits is 11520, while the sum is 30.

The square root of 51244626 is about 7158.5351853574. The cubic root of 51244626 is about 371.4349584560.

The spelling of 51244626 in words is "fifty-one million, two hundred forty-four thousand, six hundred twenty-six".