51694626 has 8 divisors (see below), whose sum is σ = 103389264. Its totient is φ = 17231540.

The previous prime is 51694619. The next prime is 51694631. The reversal of 51694626 is 62649615.

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

51694626 is an admirable number.

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, 4307880 + ... + 4307891.

It is an arithmetic number, because the mean of its divisors is an integer number (12923658).

Almost surely, 2^51694626 is an apocalyptic number.

51694626 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.

51694626 is a wasteful number, since it uses less digits than its factorization.

51694626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615776.

The product of its digits is 77760, while the sum is 39.

The square root of 51694626 is about 7189.8974957923. The cubic root of 51694626 is about 372.5190321042.

The spelling of 51694626 in words is "fifty-one million, six hundred ninety-four thousand, six hundred twenty-six".