51738453 has 32 divisors (see below), whose sum is σ = 83041280. Its totient is φ = 31648320.

The previous prime is 51738451. The next prime is 51738517. The reversal of 51738453 is 35483715.

It is not a de Polignac number, because 51738453 - 2¹ = 51738451 is a prime.

It is a Duffinian number.

Its product of digits (50400) is a multiple of the sum of its prime divisors (900).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51738451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77943 + ... + 78603.

It is an arithmetic number, because the mean of its divisors is an integer number (2595040).

Almost surely, 2^51738453 is an apocalyptic number.

It is an amenable number.

51738453 is a deficient number, since it is larger than the sum of its proper divisors (31302827).

51738453 is a wasteful number, since it uses less digits than its factorization.

51738453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 900 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 51738453 is about 7192.9446682148. The cubic root of 51738453 is about 372.6242769570.

The spelling of 51738453 in words is "fifty-one million, seven hundred thirty-eight thousand, four hundred fifty-three".