52767891 has 12 divisors (see below), whose sum is σ = 83149560. Its totient is φ = 31980480.

The previous prime is 52767863. The next prime is 52767899. The reversal of 52767891 is 19876725.

It is not a de Polignac number, because 52767891 - 2⁷ = 52767763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52767899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266406 + ... + 266603.

It is an arithmetic number, because the mean of its divisors is an integer number (6929130).

Almost surely, 2^52767891 is an apocalyptic number.

52767891 is a deficient number, since it is larger than the sum of its proper divisors (30381669).

52767891 is a wasteful number, since it uses less digits than its factorization.

52767891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533026 (or 533023 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 52767891 is about 7264.1510859838. The cubic root of 52767891 is about 375.0794285084.

The spelling of 52767891 in words is "fifty-two million, seven hundred sixty-seven thousand, eight hundred ninety-one".