52667990 has 8 divisors (see below), whose sum is σ = 94802400. Its totient is φ = 21067192.

The previous prime is 52667987. The next prime is 52668001. The reversal of 52667990 is 9976625.

52667990 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 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, 2633390 + ... + 2633409.

It is an arithmetic number, because the mean of its divisors is an integer number (11850300).

Almost surely, 2^52667990 is an apocalyptic number.

52667990 is a deficient number, since it is larger than the sum of its proper divisors (42134410).

52667990 is a wasteful number, since it uses less digits than its factorization.

52667990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266806.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 52667990 is about 7257.2715258560. The cubic root of 52667990 is about 374.8425768868.

The spelling of 52667990 in words is "fifty-two million, six hundred sixty-seven thousand, nine hundred ninety".