51351146 has 16 divisors (see below), whose sum is σ = 96033600. Its totient is φ = 20006880.

The previous prime is 51351137. The next prime is 51351149. The reversal of 51351146 is 64115315.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51351149) 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, 166571 + ... + 166878.

It is an arithmetic number, because the mean of its divisors is an integer number (6002100).

Almost surely, 2^51351146 is an apocalyptic number.

51351146 is a deficient number, since it is larger than the sum of its proper divisors (44682454).

51351146 is a wasteful number, since it uses less digits than its factorization.

51351146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333469.

The product of its digits is 1800, while the sum is 26.

The square root of 51351146 is about 7165.9713926306. The cubic root of 51351146 is about 371.6921422967.

The spelling of 51351146 in words is "fifty-one million, three hundred fifty-one thousand, one hundred forty-six".