51826990 has 8 divisors (see below), whose sum is σ = 93288600. Its totient is φ = 20730792.

The previous prime is 51826969. The next prime is 51827011. The reversal of 51826990 is 9962815.

51826990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51826969) and next prime (51827011).

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

It is a congruent number.

It is an unprimeable number.

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, 2591340 + ... + 2591359.

It is an arithmetic number, because the mean of its divisors is an integer number (11661075).

Almost surely, 2^51826990 is an apocalyptic number.

51826990 is a deficient number, since it is larger than the sum of its proper divisors (41461610).

51826990 is a wasteful number, since it uses less digits than its factorization.

51826990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182706.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 51826990 is about 7199.0964710858. The cubic root of 51826990 is about 372.8367059019.

The spelling of 51826990 in words is "fifty-one million, eight hundred twenty-six thousand, nine hundred ninety".