51453436 has 6 divisors (see below), whose sum is σ = 90043520. Its totient is φ = 25726716.

The previous prime is 51453433. The next prime is 51453449. The reversal of 51453436 is 63435415.

It is a junction number, because it is equal to n+sod(n) for n = 51453398 and 51453407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51453433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431676 + ... + 6431683.

Almost surely, 2^51453436 is an apocalyptic number.

It is an amenable number.

51453436 is a deficient number, since it is larger than the sum of its proper divisors (38590084).

51453436 is a wasteful number, since it uses less digits than its factorization.

51453436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863363 (or 12863361 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 51453436 is about 7173.1050459337. The cubic root of 51453436 is about 371.9387786098.

The spelling of 51453436 in words is "fifty-one million, four hundred fifty-three thousand, four hundred thirty-six".