53118602 has 4 divisors (see below), whose sum is σ = 79677906. Its totient is φ = 26559300.

The previous prime is 53118587. The next prime is 53118607. The reversal of 53118602 is 20681135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 7946761 = 6721^2 + 2819^2 .

It is not an unprimeable number, because it can be changed into a prime (53118607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13279649 + ... + 13279652.

Almost surely, 2^53118602 is an apocalyptic number.

53118602 is a deficient number, since it is larger than the sum of its proper divisors (26559304).

53118602 is a wasteful number, since it uses less digits than its factorization.

53118602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26559303.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 53118602 is about 7288.2509561623. The cubic root of 53118602 is about 375.9085572485.

Adding to 53118602 its reverse (20681135), we get a palindrome (73799737).

The spelling of 53118602 in words is "fifty-three million, one hundred eighteen thousand, six hundred two".