53237403 has 12 divisors (see below), whose sum is σ = 77661168. Its totient is φ = 35139600.

The previous prime is 53237399. The next prime is 53237407. The reversal of 53237403 is 30473235.

It is an interprime number because it is at equal distance from previous prime (53237399) and next prime (53237407).

It is not a de Polignac number, because 53237403 - 2² = 53237399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53237407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28375 + ... + 30192.

It is an arithmetic number, because the mean of its divisors is an integer number (6471764).

Almost surely, 2^53237403 is an apocalyptic number.

53237403 is a deficient number, since it is larger than the sum of its proper divisors (24423765).

53237403 is a wasteful number, since it uses less digits than its factorization.

53237403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58674 (or 58671 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 53237403 is about 7296.3965763930. The cubic root of 53237403 is about 376.1885913546.

The spelling of 53237403 in words is "fifty-three million, two hundred thirty-seven thousand, four hundred three".