51333452 has 24 divisors (see below), whose sum is σ = 92254512. Its totient is φ = 24984000.

The previous prime is 51333431. The next prime is 51333461. The reversal of 51333452 is 25433315.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23603 + ... + 25685.

It is an arithmetic number, because the mean of its divisors is an integer number (3843938).

Almost surely, 2^51333452 is an apocalyptic number.

It is an amenable number.

51333452 is a deficient number, since it is larger than the sum of its proper divisors (40921060).

51333452 is a wasteful number, since it uses less digits than its factorization.

51333452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 51333452 is about 7164.7367013729. The cubic root of 51333452 is about 371.6494462272.

Adding to 51333452 its reverse (25433315), we get a palindrome (76766767).

The spelling of 51333452 in words is "fifty-one million, three hundred thirty-three thousand, four hundred fifty-two".