53902237 has 4 divisors (see below), whose sum is σ = 54706816. Its totient is φ = 53097660.

The previous prime is 53902231. The next prime is 53902241. The reversal of 53902237 is 73220935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53902237 - 2¹⁵ = 53869469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53902199 and 53902208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53902231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402189 + ... + 402322.

It is an arithmetic number, because the mean of its divisors is an integer number (13676704).

Almost surely, 2^53902237 is an apocalyptic number.

It is an amenable number.

53902237 is a deficient number, since it is larger than the sum of its proper divisors (804579).

53902237 is an equidigital number, since it uses as much as digits as its factorization.

53902237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804578.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 53902237 is about 7341.8142853112. The cubic root of 53902237 is about 377.7480778042.

The spelling of 53902237 in words is "fifty-three million, nine hundred two thousand, two hundred thirty-seven".