53002318 has 4 divisors (see below), whose sum is σ = 79503480. Its totient is φ = 26501158.

The previous prime is 53002303. The next prime is 53002319. The reversal of 53002318 is 81320035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81320035 = 5 ⋅16264007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53002319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250578 + ... + 13250581.

It is an arithmetic number, because the mean of its divisors is an integer number (19875870).

Almost surely, 2^53002318 is an apocalyptic number.

53002318 is a deficient number, since it is larger than the sum of its proper divisors (26501162).

53002318 is a wasteful number, since it uses less digits than its factorization.

53002318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26501161.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 53002318 is about 7280.2690884335. The cubic root of 53002318 is about 375.6340514872.

The spelling of 53002318 in words is "fifty-three million, two thousand, three hundred eighteen".