53421974 has 8 divisors (see below), whose sum is σ = 80959368. Its totient is φ = 26435520.

The previous prime is 53421971. The next prime is 53422003. The reversal of 53421974 is 47912435.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53421971) 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, 137492 + ... + 137879.

It is an arithmetic number, because the mean of its divisors is an integer number (10119921).

Almost surely, 2^53421974 is an apocalyptic number.

53421974 is a deficient number, since it is larger than the sum of its proper divisors (27537394).

53421974 is a wasteful number, since it uses less digits than its factorization.

53421974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275470.

The product of its digits is 30240, while the sum is 35.

The square root of 53421974 is about 7309.0337254660. The cubic root of 53421974 is about 376.6228312820.

The spelling of 53421974 in words is "fifty-three million, four hundred twenty-one thousand, nine hundred seventy-four".