52778473 has 8 divisors (see below), whose sum is σ = 57708000. Its totient is φ = 47870880.

The previous prime is 52778471. The next prime is 52778483. The reversal of 52778473 is 37487725.

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 52778473 - 2¹ = 52778471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52778471) 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, 223 + ... + 10276.

It is an arithmetic number, because the mean of its divisors is an integer number (7213500).

Almost surely, 2^52778473 is an apocalyptic number.

It is an amenable number.

52778473 is a deficient number, since it is larger than the sum of its proper divisors (4929527).

52778473 is a wasteful number, since it uses less digits than its factorization.

52778473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967.

The product of its digits is 329280, while the sum is 43.

The square root of 52778473 is about 7264.8794208851. The cubic root of 52778473 is about 375.1044994695.

The spelling of 52778473 in words is "fifty-two million, seven hundred seventy-eight thousand, four hundred seventy-three".