51117346 has 8 divisors (see below), whose sum is σ = 87629760. Its totient is φ = 21907428.

The previous prime is 51117337. The next prime is 51117347. The reversal of 51117346 is 64371115.

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

It is a super-2 number, since 2×51117346² = 5225966124167432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51117347) 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, 1825606 + ... + 1825633.

It is an arithmetic number, because the mean of its divisors is an integer number (10953720).

Almost surely, 2^51117346 is an apocalyptic number.

51117346 is a deficient number, since it is larger than the sum of its proper divisors (36512414).

51117346 is a wasteful number, since it uses less digits than its factorization.

51117346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651248.

The product of its digits is 2520, while the sum is 28.

The square root of 51117346 is about 7149.6395713350. The cubic root of 51117346 is about 371.1271835050.

The spelling of 51117346 in words is "fifty-one million, one hundred seventeen thousand, three hundred forty-six".