51486374 has 8 divisors (see below), whose sum is σ = 80587440. Its totient is φ = 24623896.

The previous prime is 51486349. The next prime is 51486377. The reversal of 51486374 is 47368415.

51486374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51486377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559589 + ... + 559680.

It is an arithmetic number, because the mean of its divisors is an integer number (10073430).

Almost surely, 2^51486374 is an apocalyptic number.

51486374 is a deficient number, since it is larger than the sum of its proper divisors (29101066).

51486374 is a wasteful number, since it uses less digits than its factorization.

51486374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119294.

The product of its digits is 80640, while the sum is 38.

The square root of 51486374 is about 7175.4006159935. The cubic root of 51486374 is about 372.0181274166.

The spelling of 51486374 in words is "fifty-one million, four hundred eighty-six thousand, three hundred seventy-four".