52769987 has 8 divisors (see below), whose sum is σ = 54096240. Its totient is φ = 51448320.

The previous prime is 52769971. The next prime is 52770001. The reversal of 52769987 is 78996725.

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 52769987 - 2⁴ = 52769971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52769917) 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, 39287 + ... + 40607.

It is an arithmetic number, because the mean of its divisors is an integer number (6762030).

Almost surely, 2^52769987 is an apocalyptic number.

52769987 is a deficient number, since it is larger than the sum of its proper divisors (1326253).

52769987 is a wasteful number, since it uses less digits than its factorization.

52769987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293.

The product of its digits is 1905120, while the sum is 53.

The square root of 52769987 is about 7264.2953546782. The cubic root of 52769987 is about 375.0843946350.

The spelling of 52769987 in words is "fifty-two million, seven hundred sixty-nine thousand, nine hundred eighty-seven".