53973493 has 8 divisors (see below), whose sum is σ = 61730240. Its totient is φ = 46228320.

The previous prime is 53973467. The next prime is 53973503. The reversal of 53973493 is 39437935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53973493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53943493) 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, 12778 + ... + 16468.

It is an arithmetic number, because the mean of its divisors is an integer number (7716280).

Almost surely, 2^53973493 is an apocalyptic number.

It is an amenable number.

53973493 is a deficient number, since it is larger than the sum of its proper divisors (7756747).

53973493 is a wasteful number, since it uses less digits than its factorization.

53973493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787.

The product of its digits is 306180, while the sum is 43.

The square root of 53973493 is about 7346.6654340592. The cubic root of 53973493 is about 377.9144590550.

The spelling of 53973493 in words is "fifty-three million, nine hundred seventy-three thousand, four hundred ninety-three".