52978473 has 12 divisors (see below), whose sum is σ = 78993408. Its totient is φ = 34179480.

The previous prime is 52978433. The next prime is 52978493. The reversal of 52978473 is 37487925.

It is not a de Polignac number, because 52978473 - 2⁹ = 52977961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52978433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94665 + ... + 95222.

It is an arithmetic number, because the mean of its divisors is an integer number (6582784).

Almost surely, 2^52978473 is an apocalyptic number.

It is an amenable number.

52978473 is a deficient number, since it is larger than the sum of its proper divisors (26014935).

52978473 is a wasteful number, since it uses less digits than its factorization.

52978473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189924 (or 189921 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 52978473 is about 7278.6312586914. The cubic root of 52978473 is about 375.5777122059.

The spelling of 52978473 in words is "fifty-two million, nine hundred seventy-eight thousand, four hundred seventy-three".