52734781 has 4 divisors (see below), whose sum is σ = 57528864. Its totient is φ = 47940700.

The previous prime is 52734769. The next prime is 52734821. The reversal of 52734781 is 18743725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52734781 - 2¹⁹ = 52210493 is a prime.

It is a super-2 number, since 2×52734781² = 5561914254235922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52734781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52734281) 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, 2397025 + ... + 2397046.

It is an arithmetic number, because the mean of its divisors is an integer number (14382216).

Almost surely, 2^52734781 is an apocalyptic number.

It is an amenable number.

52734781 is a deficient number, since it is larger than the sum of its proper divisors (4794083).

52734781 is a wasteful number, since it uses less digits than its factorization.

52734781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794082.

The product of its digits is 47040, while the sum is 37.

The square root of 52734781 is about 7261.8717284182. The cubic root of 52734781 is about 375.0009623679. Note that the first 3 decimals are identical.

The spelling of 52734781 in words is "fifty-two million, seven hundred thirty-four thousand, seven hundred eighty-one".