52783691 has 8 divisors (see below), whose sum is σ = 58830480. Its totient is φ = 47063808.

The previous prime is 52783681. The next prime is 52783693. The reversal of 52783691 is 19638725.

52783691 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 a de Polignac number, because none of the positive numbers 2^k-52783691 is a prime.

It is a super-2 number, since 2×52783691² = 5572236071166962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52783693) 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, 81386 + ... + 82031.

It is an arithmetic number, because the mean of its divisors is an integer number (7353810).

Almost surely, 2^52783691 is an apocalyptic number.

52783691 is a deficient number, since it is larger than the sum of its proper divisors (6046789).

52783691 is a wasteful number, since it uses less digits than its factorization.

52783691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163453.

The product of its digits is 90720, while the sum is 41.

The square root of 52783691 is about 7265.2385370337. The cubic root of 52783691 is about 375.1168607642.

The spelling of 52783691 in words is "fifty-two million, seven hundred eighty-three thousand, six hundred ninety-one".