51523396 has 24 divisors (see below), whose sum is σ = 95993856. Its totient is φ = 24113280.

The previous prime is 51523387. The next prime is 51523399. The reversal of 51523396 is 69332515.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (51523399) 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 in 7 ways as a sum of consecutive naturals, for example, 11005 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (3999744).

Almost surely, 2^51523396 is an apocalyptic number.

It is an amenable number.

51523396 is a deficient number, since it is larger than the sum of its proper divisors (44470460).

51523396 is a wasteful number, since it uses less digits than its factorization.

51523396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4177 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 51523396 is about 7177.9799386736. The cubic root of 51523396 is about 372.1072743383.

The spelling of 51523396 in words is "fifty-one million, five hundred twenty-three thousand, three hundred ninety-six".