51274148 has 12 divisors (see below), whose sum is σ = 89915952. Its totient is φ = 25583880.

The previous prime is 51274147. The next prime is 51274169. The reversal of 51274148 is 84147215.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51274147) 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 in 3 ways as a sum of consecutive naturals, for example, 11090 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (7492996).

Almost surely, 2^51274148 is an apocalyptic number.

It is an amenable number.

51274148 is a deficient number, since it is larger than the sum of its proper divisors (38641804).

51274148 is a wasteful number, since it uses less digits than its factorization.

51274148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26602 (or 26600 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 51274148 is about 7160.5969024935. The cubic root of 51274148 is about 371.5062725861.

The spelling of 51274148 in words is "fifty-one million, two hundred seventy-four thousand, one hundred forty-eight".