51223052 has 6 divisors (see below), whose sum is σ = 89640348. Its totient is φ = 25611524.

The previous prime is 51223049. The next prime is 51223061. The reversal of 51223052 is 25032215.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6402878 + ... + 6402885.

It is an arithmetic number, because the mean of its divisors is an integer number (14940058).

Almost surely, 2^51223052 is an apocalyptic number.

It is an amenable number.

51223052 is a deficient number, since it is larger than the sum of its proper divisors (38417296).

51223052 is a wasteful number, since it uses less digits than its factorization.

51223052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805767 (or 12805765 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51223052 is about 7157.0281541992. The cubic root of 51223052 is about 371.3828264035.

Adding to 51223052 its reverse (25032215), we get a palindrome (76255267).

The spelling of 51223052 in words is "fifty-one million, two hundred twenty-three thousand, fifty-two".