51412293 has 16 divisors (see below), whose sum is σ = 76316160. Its totient is φ = 34207488.

The previous prime is 51412261. The next prime is 51412297. The reversal of 51412293 is 39221415.

It is not a de Polignac number, because 51412293 - 2⁵ = 51412261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51412297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14821 + ... + 17957.

It is an arithmetic number, because the mean of its divisors is an integer number (4769760).

Almost surely, 2^51412293 is an apocalyptic number.

It is an amenable number.

51412293 is a deficient number, since it is larger than the sum of its proper divisors (24903867).

51412293 is a wasteful number, since it uses less digits than its factorization.

51412293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753 (or 3747 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 51412293 is about 7170.2366069747. The cubic root of 51412293 is about 371.8396160858.

The spelling of 51412293 in words is "fifty-one million, four hundred twelve thousand, two hundred ninety-three".