53312342 has 4 divisors (see below), whose sum is σ = 79968516. Its totient is φ = 26656170.

The previous prime is 53312339. The next prime is 53312381. The reversal of 53312342 is 24321335.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13328084 + ... + 13328087.

It is an arithmetic number, because the mean of its divisors is an integer number (19992129).

Almost surely, 2^53312342 is an apocalyptic number.

53312342 is a deficient number, since it is larger than the sum of its proper divisors (26656174).

53312342 is a wasteful number, since it uses less digits than its factorization.

53312342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26656173.

The product of its digits is 2160, while the sum is 23.

The square root of 53312342 is about 7301.5301136132. The cubic root of 53312342 is about 376.3650210696.

Adding to 53312342 its reverse (24321335), we get a palindrome (77633677).

The spelling of 53312342 in words is "fifty-three million, three hundred twelve thousand, three hundred forty-two".