52506787 has 8 divisors (see below), whose sum is σ = 53488640. Its totient is φ = 51528960.

The previous prime is 52506767. The next prime is 52506793. The reversal of 52506787 is 78760525.

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-52506787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52506767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40414 + ... + 41692.

It is an arithmetic number, because the mean of its divisors is an integer number (6686080).

Almost surely, 2^52506787 is an apocalyptic number.

52506787 is a deficient number, since it is larger than the sum of its proper divisors (981853).

52506787 is a wasteful number, since it uses less digits than its factorization.

52506787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 52506787 is about 7246.1567054543. The cubic root of 52506787 is about 374.4597542139.

The spelling of 52506787 in words is "fifty-two million, five hundred six thousand, seven hundred eighty-seven".