53902473 has 4 divisors (see below), whose sum is σ = 71869968. Its totient is φ = 35934980.

The previous prime is 53902463. The next prime is 53902523. The reversal of 53902473 is 37420935.

It is a happy number.

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 53902473 - 2¹⁸ = 53640329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53902403) 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, 8983743 + ... + 8983748.

It is an arithmetic number, because the mean of its divisors is an integer number (17967492).

Almost surely, 2^53902473 is an apocalyptic number.

It is an amenable number.

53902473 is a deficient number, since it is larger than the sum of its proper divisors (17967495).

53902473 is a wasteful number, since it uses less digits than its factorization.

53902473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17967494.

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

The square root of 53902473 is about 7341.8303576152. The cubic root of 53902473 is about 377.7486291011.

The spelling of 53902473 in words is "fifty-three million, nine hundred two thousand, four hundred seventy-three".