52190787 has 8 divisors (see below), whose sum is σ = 75913920. Its totient is φ = 31630760.

The previous prime is 52190779. The next prime is 52190819. The reversal of 52190787 is 78709125.

52190787 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 cyclic number.

It is not a de Polignac number, because 52190787 - 2³ = 52190779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52190717) 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 7 ways as a sum of consecutive naturals, for example, 790737 + ... + 790802.

It is an arithmetic number, because the mean of its divisors is an integer number (9489240).

Almost surely, 2^52190787 is an apocalyptic number.

52190787 is a deficient number, since it is larger than the sum of its proper divisors (23723133).

52190787 is a wasteful number, since it uses less digits than its factorization.

52190787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581553.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 52190787 is about 7224.3191374689. The cubic root of 52190787 is about 373.7070422621.

The spelling of 52190787 in words is "fifty-two million, one hundred ninety thousand, seven hundred eighty-seven".