53402973 has 16 divisors (see below), whose sum is σ = 77656320. Its totient is φ = 32445504.

The previous prime is 53402971. The next prime is 53402981. The reversal of 53402973 is 37920435.

It is a happy number.

It is not a de Polignac number, because 53402973 - 2¹ = 53402971 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53402971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5586 + ... + 11747.

It is an arithmetic number, because the mean of its divisors is an integer number (4853520).

Almost surely, 2^53402973 is an apocalyptic number.

It is an amenable number.

53402973 is a deficient number, since it is larger than the sum of its proper divisors (24253347).

53402973 is a wasteful number, since it uses less digits than its factorization.

53402973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53402973 is about 7307.7337800443. The cubic root of 53402973 is about 376.5781738843.

The spelling of 53402973 in words is "fifty-three million, four hundred two thousand, nine hundred seventy-three".