51461552 has 20 divisors (see below), whose sum is σ = 101343216. Its totient is φ = 25308480.

The previous prime is 51461549. The next prime is 51461591. The reversal of 51461552 is 25516415.

It is a happy number.

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, 25388 + ... + 27339.

Almost surely, 2^51461552 is an apocalyptic number.

It is an amenable number.

51461552 is a deficient number, since it is larger than the sum of its proper divisors (49881664).

51461552 is a wasteful number, since it uses less digits than its factorization.

51461552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52796 (or 52790 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 51461552 is about 7173.6707479505. The cubic root of 51461552 is about 371.9583334841.

Adding to 51461552 its reverse (25516415), we get a palindrome (76977967).

The spelling of 51461552 in words is "fifty-one million, four hundred sixty-one thousand, five hundred fifty-two".