51163838 has 8 divisors (see below), whose sum is σ = 83722680. Its totient is φ = 23256280.

The previous prime is 51163787. The next prime is 51163841. The reversal of 51163838 is 83836115.

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

It is a junction number, because it is equal to n+sod(n) for n = 51163798 and 51163807.

It is a congruent number.

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, 1162793 + ... + 1162836.

It is an arithmetic number, because the mean of its divisors is an integer number (10465335).

Almost surely, 2^51163838 is an apocalyptic number.

51163838 is a deficient number, since it is larger than the sum of its proper divisors (32558842).

51163838 is a wasteful number, since it uses less digits than its factorization.

51163838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325642.

The product of its digits is 17280, while the sum is 35.

The square root of 51163838 is about 7152.8901850930. The cubic root of 51163838 is about 371.2396646747.

The spelling of 51163838 in words is "fifty-one million, one hundred sixty-three thousand, eight hundred thirty-eight".