53120906 has 4 divisors (see below), whose sum is σ = 79681362. Its totient is φ = 26560452.

The previous prime is 53120891. The next prime is 53120917. The reversal of 53120906 is 60902135.

53120906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42784681 + 10336225 = 6541^2 + 3215^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13280225 + ... + 13280228.

Almost surely, 2^53120906 is an apocalyptic number.

53120906 is a deficient number, since it is larger than the sum of its proper divisors (26560456).

53120906 is a wasteful number, since it uses less digits than its factorization.

53120906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26560455.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 53120906 is about 7288.4090170626. The cubic root of 53120906 is about 375.9139921354.

The spelling of 53120906 in words is "fifty-three million, one hundred twenty thousand, nine hundred six".