51243834 has 8 divisors (see below), whose sum is σ = 102487680. Its totient is φ = 17081276.

The previous prime is 51243833. The next prime is 51243847. The reversal of 51243834 is 43834215.

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

51243834 is an admirable number.

It is a super-4 number, since 4×51243834⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (51243833) 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, 4270314 + ... + 4270325.

It is an arithmetic number, because the mean of its divisors is an integer number (12810960).

Almost surely, 2^51243834 is an apocalyptic number.

51243834 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.

51243834 is a wasteful number, since it uses less digits than its factorization.

51243834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540644.

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

The square root of 51243834 is about 7158.4798665639. The cubic root of 51243834 is about 371.4330449024.

The spelling of 51243834 in words is "fifty-one million, two hundred forty-three thousand, eight hundred thirty-four".