53721926 has 8 divisors (see below), whose sum is σ = 80614224. Its totient is φ = 26850520.

The previous prime is 53721923. The next prime is 53721953. The reversal of 53721926 is 62912735.

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 (53721923) 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, 6236 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (10076778).

Almost surely, 2^53721926 is an apocalyptic number.

53721926 is a deficient number, since it is larger than the sum of its proper divisors (26892298).

53721926 is a wasteful number, since it uses less digits than its factorization.

53721926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446.

The product of its digits is 22680, while the sum is 35.

The square root of 53721926 is about 7329.5242683274. The cubic root of 53721926 is about 377.3263994267.

The spelling of 53721926 in words is "fifty-three million, seven hundred twenty-one thousand, nine hundred twenty-six".