51452453 has 12 divisors (see below), whose sum is σ = 56515620. Its totient is φ = 46565376.

The previous prime is 51452441. The next prime is 51452483. The reversal of 51452453 is 35425415.

It can be written as a sum of positive squares in 6 ways, for example, as 4571044 + 46881409 = 2138^2 + 6847^2 .

It is not a de Polignac number, because 51452453 - 2¹² = 51448357 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51452483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35813 + ... + 37221.

It is an arithmetic number, because the mean of its divisors is an integer number (4709635).

Almost surely, 2^51452453 is an apocalyptic number.

51452453 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51452453 is a deficient number, since it is larger than the sum of its proper divisors (5063167).

51452453 is a wasteful number, since it uses less digits than its factorization.

51452453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1475 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 51452453 is about 7173.0365257679. The cubic root of 51452453 is about 371.9364100077.

Adding to 51452453 its reverse (35425415), we get a palindrome (86877868).

The spelling of 51452453 in words is "fifty-one million, four hundred fifty-two thousand, four hundred fifty-three".