51246246 has 8 divisors (see below), whose sum is σ = 102492504. Its totient is φ = 17082080.

The previous prime is 51246227. The next prime is 51246271. The reversal of 51246246 is 64264215.

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

51246246 is an admirable number.

It is a congruent 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, 4270515 + ... + 4270526.

It is an arithmetic number, because the mean of its divisors is an integer number (12811563).

Almost surely, 2^51246246 is an apocalyptic number.

51246246 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.

51246246 is a wasteful number, since it uses less digits than its factorization.

51246246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541046.

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

The square root of 51246246 is about 7158.6483361037. The cubic root of 51246246 is about 371.4388724813.

The spelling of 51246246 in words is "fifty-one million, two hundred forty-six thousand, two hundred forty-six".