53903347 has 4 divisors (see below), whose sum is σ = 54020736. Its totient is φ = 53785960.

The previous prime is 53903263. The next prime is 53903351. The reversal of 53903347 is 74330935.

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

It is a cyclic number.

It is not a de Polignac number, because 53903347 - 2²³ = 45514739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53993347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58003 + ... + 58924.

It is an arithmetic number, because the mean of its divisors is an integer number (13505184).

Almost surely, 2^53903347 is an apocalyptic number.

53903347 is a deficient number, since it is larger than the sum of its proper divisors (117389).

53903347 is a wasteful number, since it uses less digits than its factorization.

53903347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117388.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 53903347 is about 7341.8898793158. The cubic root of 53903347 is about 377.7506707546.

The spelling of 53903347 in words is "fifty-three million, nine hundred three thousand, three hundred forty-seven".