53903397 has 16 divisors (see below), whose sum is σ = 74370240. Its totient is φ = 34704000.

The previous prime is 53903383. The next prime is 53903401. The reversal of 53903397 is 79330935.

It is a happy number.

It is not a de Polignac number, because 53903397 - 2¹⁴ = 53887013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53903197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10254 + ... + 14592.

It is an arithmetic number, because the mean of its divisors is an integer number (4648140).

Almost surely, 2^53903397 is an apocalyptic number.

It is an amenable number.

53903397 is a deficient number, since it is larger than the sum of its proper divisors (20466843).

53903397 is a wasteful number, since it uses less digits than its factorization.

53903397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484.

The product of its (nonzero) digits is 76545, while the sum is 39.

The square root of 53903397 is about 7341.8932844328. The cubic root of 53903397 is about 377.7507875533.

The spelling of 53903397 in words is "fifty-three million, nine hundred three thousand, three hundred ninety-seven".