51834778 has 8 divisors (see below), whose sum is σ = 81132768. Its totient is φ = 24790524.

The previous prime is 51834767. The next prime is 51834781. The reversal of 51834778 is 87743815.

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

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, 563376 + ... + 563467.

It is an arithmetic number, because the mean of its divisors is an integer number (10141596).

Almost surely, 2^51834778 is an apocalyptic number.

51834778 is a deficient number, since it is larger than the sum of its proper divisors (29297990).

51834778 is a wasteful number, since it uses less digits than its factorization.

51834778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126868.

The product of its digits is 188160, while the sum is 43.

The square root of 51834778 is about 7199.6373519782. The cubic root of 51834778 is about 372.8553802569.

The spelling of 51834778 in words is "fifty-one million, eight hundred thirty-four thousand, seven hundred seventy-eight".