51494115 has 8 divisors (see below), whose sum is σ = 82390608.
Its totient is φ = 27463520.
The previous prime is 51494089. The next prime is 51494119. The reversal of 51494115 is 51149415.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51494115 - 213 = 51485923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51494119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716456 + ... + 1716485.
It is an arithmetic number, because the mean of its divisors is an integer number (10298826).
Almost surely, 251494115 is an apocalyptic number.
51494115 is a deficient number, since it is larger than the sum of its proper divisors (30896493).
51494115 is a wasteful number, since it uses less digits than its factorization.
51494115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3432949.
The product of its digits is 3600, while the sum is 30.
The square root of 51494115 is about 7175.9400081104.
The cubic root of 51494115 is about 372.0367708478.
The spelling of 51494115 in words is "fifty-one million, four hundred ninety-four thousand, one hundred fifteen".