52787663 has 4 divisors (see below), whose sum is σ = 53092968. Its totient is φ = 52482360.

The previous prime is 52787659. The next prime is 52787717. The reversal of 52787663 is 36678725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52787663 - 2² = 52787659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52787653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152393 + ... + 152738.

It is an arithmetic number, because the mean of its divisors is an integer number (13273242).

Almost surely, 2^52787663 is an apocalyptic number.

52787663 is a deficient number, since it is larger than the sum of its proper divisors (305305).

52787663 is a wasteful number, since it uses less digits than its factorization.

52787663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305304.

The product of its digits is 423360, while the sum is 44.

The square root of 52787663 is about 7265.5118883668. The cubic root of 52787663 is about 375.1262697740.

The spelling of 52787663 in words is "fifty-two million, seven hundred eighty-seven thousand, six hundred sixty-three".