51452332 has 6 divisors (see below), whose sum is σ = 90041588. Its totient is φ = 25726164.

The previous prime is 51452309. The next prime is 51452333. The reversal of 51452332 is 23325415.

It is a junction number, because it is equal to n+sod(n) for n = 51452297 and 51452306.

It is not an unprimeable number, because it can be changed into a prime (51452333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431538 + ... + 6431545.

Almost surely, 2^51452332 is an apocalyptic number.

It is an amenable number.

51452332 is a deficient number, since it is larger than the sum of its proper divisors (38589256).

51452332 is a wasteful number, since it uses less digits than its factorization.

51452332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863087 (or 12863085 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 51452332 is about 7173.0280913991. The cubic root of 51452332 is about 371.9361184483.

Adding to 51452332 its reverse (23325415), we get a palindrome (74777747).

The spelling of 51452332 in words is "fifty-one million, four hundred fifty-two thousand, three hundred thirty-two".