51904834 has 8 divisors (see below), whose sum is σ = 78954048. Its totient is φ = 25586820.

The previous prime is 51904829. The next prime is 51904843. The reversal of 51904834 is 43840915.

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

It is a super-2 number, since 2×51904834² = 5388223585135112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51904834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182622 + ... + 182905.

It is an arithmetic number, because the mean of its divisors is an integer number (9869256).

Almost surely, 2^51904834 is an apocalyptic number.

51904834 is a deficient number, since it is larger than the sum of its proper divisors (27049214).

51904834 is a wasteful number, since it uses less digits than its factorization.

51904834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365600.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 51904834 is about 7204.5009542646. The cubic root of 51904834 is about 373.0232790997.

The spelling of 51904834 in words is "fifty-one million, nine hundred four thousand, eight hundred thirty-four".