51364196 has 24 divisors (see below), whose sum is σ = 98394744. Its totient is φ = 23316480.

The previous prime is 51364193. The next prime is 51364211. The reversal of 51364196 is 69146315.

It can be written as a sum of positive squares in 4 ways, for example, as 2560000 + 48804196 = 1600^2 + 6986^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51364193) 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, 4925 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (4099781).

Almost surely, 2^51364196 is an apocalyptic number.

It is an amenable number.

51364196 is a deficient number, since it is larger than the sum of its proper divisors (47030548).

51364196 is a wasteful number, since it uses less digits than its factorization.

51364196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271 (or 16269 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 51364196 is about 7166.8818882412. The cubic root of 51364196 is about 371.7236259927.

The spelling of 51364196 in words is "fifty-one million, three hundred sixty-four thousand, one hundred ninety-six".