51573652 has 48 divisors (see below), whose sum is σ = 100279872. Its totient is φ = 23063040.

The previous prime is 51573647. The next prime is 51573667. The reversal of 51573652 is 25637515.

51573652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 393627 + ... + 393757.

It is an arithmetic number, because the mean of its divisors is an integer number (2089164).

Almost surely, 2^51573652 is an apocalyptic number.

51573652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51573652 is a deficient number, since it is larger than the sum of its proper divisors (48706220).

51573652 is a wasteful number, since it uses less digits than its factorization.

51573652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 51573652 is about 7181.4797917978. The cubic root of 51573652 is about 372.2282196933.

It can be divided in two parts, 51573 and 652, that added together give a palindrome (52225).

The spelling of 51573652 in words is "fifty-one million, five hundred seventy-three thousand, six hundred fifty-two".