51417364 has 12 divisors (see below), whose sum is σ = 90039124. Its totient is φ = 25691904.

The previous prime is 51417361. The next prime is 51417409. The reversal of 51417364 is 46371415.

It can be written as a sum of positive squares in 2 ways, for example, as 43007364 + 8410000 = 6558^2 + 2900^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51417361) 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, 4882 + ... + 11254.

Almost surely, 2^51417364 is an apocalyptic number.

It is an amenable number.

51417364 is a deficient number, since it is larger than the sum of its proper divisors (38621760).

51417364 is a wasteful number, since it uses less digits than its factorization.

51417364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394 (or 8392 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 51417364 is about 7170.5902128068. The cubic root of 51417364 is about 371.8518410265.

Adding to 51417364 its reverse (46371415), we get a palindrome (97788779).

The spelling of 51417364 in words is "fifty-one million, four hundred seventeen thousand, three hundred sixty-four".