51774168 has 16 divisors (see below), whose sum is σ = 129435480. Its totient is φ = 17258048.

The previous prime is 51774143. The next prime is 51774169. The reversal of 51774168 is 86147715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51774169) 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, 1078605 + ... + 1078652.

Almost surely, 2^51774168 is an apocalyptic number.

It is an amenable number.

51774168 is an abundant number, since it is smaller than the sum of its proper divisors (77661312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51774168 is a wasteful number, since it uses less digits than its factorization.

51774168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157266 (or 2157262 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 51774168 is about 7195.4268810127. The cubic root of 51774168 is about 372.7099979519.

The spelling of 51774168 in words is "fifty-one million, seven hundred seventy-four thousand, one hundred sixty-eight".