51334780 has 24 divisors (see below), whose sum is σ = 123203808. Its totient is φ = 17600448.

The previous prime is 51334741. The next prime is 51334783. The reversal of 51334780 is 8743315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51334783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183199 + ... + 183478.

It is an arithmetic number, because the mean of its divisors is an integer number (5133492).

Almost surely, 2^51334780 is an apocalyptic number.

It is an amenable number.

51334780 is an abundant number, since it is smaller than the sum of its proper divisors (71869028).

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

51334780 is a wasteful number, since it uses less digits than its factorization.

51334780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366693 (or 366691 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 51334780 is about 7164.8293768938. The cubic root of 51334780 is about 371.6526510653.

The spelling of 51334780 in words is "fifty-one million, three hundred thirty-four thousand, seven hundred eighty".