51404524 has 6 divisors (see below), whose sum is σ = 89957924. Its totient is φ = 25702260.

The previous prime is 51404503. The next prime is 51404527. The reversal of 51404524 is 42540415.

It is a happy number.

51404524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51404527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425562 + ... + 6425569.

Almost surely, 2^51404524 is an apocalyptic number.

It is an amenable number.

51404524 is a deficient number, since it is larger than the sum of its proper divisors (38553400).

51404524 is a wasteful number, since it uses less digits than its factorization.

51404524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851135 (or 12851133 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 51404524 is about 7169.6948331153. The cubic root of 51404524 is about 371.8208853677.

Adding to 51404524 its reverse (42540415), we get a palindrome (93944939).

The spelling of 51404524 in words is "fifty-one million, four hundred four thousand, five hundred twenty-four".