51432452 has 12 divisors (see below), whose sum is σ = 90086220. Its totient is φ = 25693536.

The previous prime is 51432443. The next prime is 51432461. The reversal of 51432452 is 25423415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51432443) and next prime (51432461).

It can be written as a sum of positive squares in 2 ways, for example, as 23193856 + 28238596 = 4816^2 + 5314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (7507185).

Almost surely, 2^51432452 is an apocalyptic number.

It is an amenable number.

51432452 is a deficient number, since it is larger than the sum of its proper divisors (38653768).

51432452 is a wasteful number, since it uses less digits than its factorization.

51432452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350 (or 11348 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 51432452 is about 7171.6422108189. The cubic root of 51432452 is about 371.8882097513. Note that the first 3 decimals are identical.

Adding to 51432452 its reverse (25423415), we get a palindrome (76855867).

The spelling of 51432452 in words is "fifty-one million, four hundred thirty-two thousand, four hundred fifty-two".