53728922 has 32 divisors (see below), whose sum is σ = 92910720. Its totient is φ = 23094720.

The previous prime is 53728907. The next prime is 53728933. The reversal of 53728922 is 22982735.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29243 + ... + 31025.

It is an arithmetic number, because the mean of its divisors is an integer number (2903460).

Almost surely, 2^53728922 is an apocalyptic number.

53728922 is a deficient number, since it is larger than the sum of its proper divisors (39181798).

53728922 is a wasteful number, since it uses less digits than its factorization.

53728922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its digits is 60480, while the sum is 38.

The square root of 53728922 is about 7330.0015006820. The cubic root of 53728922 is about 377.3427779715.

The spelling of 53728922 in words is "fifty-three million, seven hundred twenty-eight thousand, nine hundred twenty-two".