52313340 has 48 divisors (see below), whose sum is σ = 146869632. Its totient is φ = 13912896.

The previous prime is 52313329. The next prime is 52313341. The reversal of 52313340 is 4331325.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52313341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27087 + ... + 28953.

It is an arithmetic number, because the mean of its divisors is an integer number (3059784).

Almost surely, 2^52313340 is an apocalyptic number.

It is an amenable number.

52313340 is an abundant number, since it is smaller than the sum of its proper divisors (94556292).

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

52313340 is a wasteful number, since it uses less digits than its factorization.

52313340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 52313340 is about 7232.7961398065. The cubic root of 52313340 is about 373.9993232089. Note that the first 3 decimals are identical.

Adding to 52313340 its reverse (4331325), we get a palindrome (56644665).

The spelling of 52313340 in words is "fifty-two million, three hundred thirteen thousand, three hundred forty".