51360836 has 12 divisors (see below), whose sum is σ = 89992812. Its totient is φ = 25648608.

The previous prime is 51360833. The next prime is 51360839. The reversal of 51360836 is 63806315.

It is an interprime number because it is at equal distance from previous prime (51360833) and next prime (51360839).

It can be written as a sum of positive squares in 2 ways, for example, as 26460736 + 24900100 = 5144^2 + 4990^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51360833) 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, 4115 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (7499401).

Almost surely, 2^51360836 is an apocalyptic number.

It is an amenable number.

51360836 is a deficient number, since it is larger than the sum of its proper divisors (38631976).

51360836 is a wasteful number, since it uses less digits than its factorization.

51360836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15910 (or 15908 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 51360836 is about 7166.6474728425. The cubic root of 51360836 is about 371.7155203555.

The spelling of 51360836 in words is "fifty-one million, three hundred sixty thousand, eight hundred thirty-six".