51173016 has 16 divisors (see below), whose sum is σ = 127932600. Its totient is φ = 17057664.

The previous prime is 51173011. The next prime is 51173041. The reversal of 51173016 is 61037115.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2132209 = 51173016 / (5 + 1 + 1 + 7 + 3 + 0 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51173011) 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, 1066081 + ... + 1066128.

Almost surely, 2^51173016 is an apocalyptic number.

It is an amenable number.

51173016 is an abundant number, since it is smaller than the sum of its proper divisors (76759584).

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

51173016 is a wasteful number, since it uses less digits than its factorization.

51173016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132218 (or 2132214 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 51173016 is about 7153.5317151740. The cubic root of 51173016 is about 371.2618615625.

The spelling of 51173016 in words is "fifty-one million, one hundred seventy-three thousand, sixteen".