53809002 has 32 divisors (see below), whose sum is σ = 128775360. Its totient is φ = 16556400.

The previous prime is 53808991. The next prime is 53809013. The reversal of 53809002 is 20090835.

It is an interprime number because it is at equal distance from previous prime (53808991) and next prime (53809013).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37624 + ... + 39027.

It is an arithmetic number, because the mean of its divisors is an integer number (4024230).

Almost surely, 2^53809002 is an apocalyptic number.

53809002 is an abundant number, since it is smaller than the sum of its proper divisors (74966358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53809002 is a wasteful number, since it uses less digits than its factorization.

53809002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76675 (or 76669 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 53809002 is about 7335.4619486437. The cubic root of 53809002 is about 377.5301544557.

Adding to 53809002 its reverse (20090835), we get a palindrome (73899837).

The spelling of 53809002 in words is "fifty-three million, eight hundred nine thousand, two".