51243046 has 8 divisors (see below), whose sum is σ = 77294520. Its totient is φ = 25478208.

The previous prime is 51243041. The next prime is 51243053. The reversal of 51243046 is 64034215.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51243046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51243041) 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, 71211 + ... + 71926.

It is an arithmetic number, because the mean of its divisors is an integer number (9661815).

Almost surely, 2^51243046 is an apocalyptic number.

51243046 is a deficient number, since it is larger than the sum of its proper divisors (26051474).

51243046 is a wasteful number, since it uses less digits than its factorization.

51243046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143318.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 51243046 is about 7158.4248267339. The cubic root of 51243046 is about 371.4311409938.

The spelling of 51243046 in words is "fifty-one million, two hundred forty-three thousand, forty-six".