53407238 has 12 divisors (see below), whose sum is σ = 81239508. Its totient is φ = 26332560.

The previous prime is 53407223. The next prime is 53407253. The reversal of 53407238 is 83270435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53407223) and next prime (53407253).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8153 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (6769959).

Almost surely, 2^53407238 is an apocalyptic number.

53407238 is a deficient number, since it is larger than the sum of its proper divisors (27832270).

53407238 is an equidigital number, since it uses as much as digits as its factorization.

53407238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159 (or 5086 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53407238 is about 7308.0255883515. The cubic root of 53407238 is about 376.5881986892.

The spelling of 53407238 in words is "fifty-three million, four hundred seven thousand, two hundred thirty-eight".