53726905 has 8 divisors (see below), whose sum is σ = 65355912. Its totient is φ = 42392448.

The previous prime is 53726861. The next prime is 53726917. The reversal of 53726905 is 50962735.

It can be written as a sum of positive squares in 4 ways, for example, as 2518569 + 51208336 = 1587^2 + 7156^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53726905 - 2¹¹ = 53724857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73234 + ... + 73963.

It is an arithmetic number, because the mean of its divisors is an integer number (8169489).

Almost surely, 2^53726905 is an apocalyptic number.

It is an amenable number.

53726905 is a deficient number, since it is larger than the sum of its proper divisors (11629007).

53726905 is a wasteful number, since it uses less digits than its factorization.

53726905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147275.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 53726905 is about 7329.8639141528. The cubic root of 53726905 is about 377.3380560583.

The spelling of 53726905 in words is "fifty-three million, seven hundred twenty-six thousand, nine hundred five".