52894947 has 16 divisors (see below), whose sum is σ = 80713472. Its totient is φ = 30183840.

The previous prime is 52894909. The next prime is 52894949. The reversal of 52894947 is 74949825.

It is not a de Polignac number, because 52894947 - 2⁷ = 52894819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52894896 and 52894905.

It is not an unprimeable number, because it can be changed into a prime (52894949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20208 + ... + 22674.

It is an arithmetic number, because the mean of its divisors is an integer number (5044592).

Almost surely, 2^52894947 is an apocalyptic number.

52894947 is a deficient number, since it is larger than the sum of its proper divisors (27818525).

52894947 is a wasteful number, since it uses less digits than its factorization.

52894947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498.

The product of its digits is 725760, while the sum is 48.

The square root of 52894947 is about 7272.8912407653. The cubic root of 52894947 is about 375.3802294490.

The spelling of 52894947 in words is "fifty-two million, eight hundred ninety-four thousand, nine hundred forty-seven".