51974080 has 28 divisors (see below), whose sum is σ = 123764040. Its totient is φ = 20789504.

The previous prime is 51974077. The next prime is 51974081. The reversal of 51974080 is 8047915.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51974081) 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, 80890 + ... + 81529.

Almost surely, 2^51974080 is an apocalyptic number.

It is an amenable number.

51974080 is an abundant number, since it is smaller than the sum of its proper divisors (71789960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51974080 is a wasteful number, since it uses less digits than its factorization.

51974080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162436 (or 162426 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 51974080 is about 7209.3050982740. The cubic root of 51974080 is about 373.1890882660.

The spelling of 51974080 in words is "fifty-one million, nine hundred seventy-four thousand, eighty".