53426939 has 4 divisors (see below), whose sum is σ = 54224424. Its totient is φ = 52629456.

The previous prime is 53426881. The next prime is 53426957. The reversal of 53426939 is 93962435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53426939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53426896 and 53426905.

It is not an unprimeable number, because it can be changed into a prime (53423939) 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, 398642 + ... + 398775.

It is an arithmetic number, because the mean of its divisors is an integer number (13556106).

Almost surely, 2^53426939 is an apocalyptic number.

53426939 is a deficient number, since it is larger than the sum of its proper divisors (797485).

53426939 is an equidigital number, since it uses as much as digits as its factorization.

53426939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797484.

The product of its digits is 174960, while the sum is 41.

The square root of 53426939 is about 7309.3733657544. The cubic root of 53426939 is about 376.6344986060.

The spelling of 53426939 in words is "fifty-three million, four hundred twenty-six thousand, nine hundred thirty-nine".