51264548 has 6 divisors (see below), whose sum is σ = 89712966. Its totient is φ = 25632272.

The previous prime is 51264541. The next prime is 51264559. The reversal of 51264548 is 84546215.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 14807104 = 6038^2 + 3848^2 .

It is not an unprimeable number, because it can be changed into a prime (51264541) 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 as a sum of consecutive naturals, namely, 6408065 + ... + 6408072.

It is an arithmetic number, because the mean of its divisors is an integer number (14952161).

Almost surely, 2^51264548 is an apocalyptic number.

It is an amenable number.

51264548 is a deficient number, since it is larger than the sum of its proper divisors (38448418).

51264548 is a wasteful number, since it uses less digits than its factorization.

51264548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816141 (or 12816139 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 51264548 is about 7159.9265359360. The cubic root of 51264548 is about 371.4830855743.

The spelling of 51264548 in words is "fifty-one million, two hundred sixty-four thousand, five hundred forty-eight".