51890758 has 8 divisors (see below), whose sum is σ = 78550560. Its totient is φ = 25707240.

The previous prime is 51890753. The next prime is 51890759. The reversal of 51890758 is 85709815.

51890758 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 (51890753) 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, 118798 + ... + 119233.

It is an arithmetic number, because the mean of its divisors is an integer number (9818820).

Almost surely, 2^51890758 is an apocalyptic number.

51890758 is a deficient number, since it is larger than the sum of its proper divisors (26659802).

51890758 is a wasteful number, since it uses less digits than its factorization.

51890758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238142.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 51890758 is about 7203.5239987106. The cubic root of 51890758 is about 372.9895561624.

The spelling of 51890758 in words is "fifty-one million, eight hundred ninety thousand, seven hundred fifty-eight".