51152404 has 24 divisors (see below), whose sum is σ = 94134600. Its totient is φ = 24286080.

The previous prime is 51152401. The next prime is 51152443. The reversal of 51152404 is 40425115.

It can be written as a sum of positive squares in 4 ways, for example, as 10575504 + 40576900 = 3252^2 + 6370^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51152401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (3922275).

Almost surely, 2^51152404 is an apocalyptic number.

It is an amenable number.

51152404 is a deficient number, since it is larger than the sum of its proper divisors (42982196).

51152404 is a wasteful number, since it uses less digits than its factorization.

51152404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 51152404 is about 7152.0908830915. The cubic root of 51152404 is about 371.2120079628.

Adding to 51152404 its reverse (40425115), we get a palindrome (91577519).

The spelling of 51152404 in words is "fifty-one million, one hundred fifty-two thousand, four hundred four".