51446243 has 8 divisors (see below), whose sum is σ = 55618320. Its totient is φ = 47420640.

The previous prime is 51446237. The next prime is 51446249. The reversal of 51446243 is 34264415.

It is an interprime number because it is at equal distance from previous prime (51446237) and next prime (51446249).

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

It is a cyclic number.

It is not a de Polignac number, because 51446243 - 2⁶ = 51446179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51446249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35888 + ... + 37293.

It is an arithmetic number, because the mean of its divisors is an integer number (6952290).

Almost surely, 2^51446243 is an apocalyptic number.

51446243 is a deficient number, since it is larger than the sum of its proper divisors (4172077).

51446243 is a wasteful number, since it uses less digits than its factorization.

51446243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73237.

The product of its digits is 11520, while the sum is 29.

The square root of 51446243 is about 7172.6036416353. The cubic root of 51446243 is about 371.9214459136.

The spelling of 51446243 in words is "fifty-one million, four hundred forty-six thousand, two hundred forty-three".