52077787 has 4 divisors (see below), whose sum is σ = 52191216. Its totient is φ = 51964360.

The previous prime is 52077761. The next prime is 52077791. The reversal of 52077787 is 78777025.

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 52077787 - 2¹⁹ = 51553499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52077187) 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, 56023 + ... + 56944.

It is an arithmetic number, because the mean of its divisors is an integer number (13047804).

Almost surely, 2^52077787 is an apocalyptic number.

52077787 is a deficient number, since it is larger than the sum of its proper divisors (113429).

52077787 is a wasteful number, since it uses less digits than its factorization.

52077787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113428.

The product of its (nonzero) digits is 192080, while the sum is 43.

The square root of 52077787 is about 7216.4940933947. The cubic root of 52077787 is about 373.4371388814.

The spelling of 52077787 in words is "fifty-two million, seventy-seven thousand, seven hundred eighty-seven".