53517340 has 12 divisors (see below), whose sum is σ = 112386456. Its totient is φ = 21406928.

The previous prime is 53517323. The next prime is 53517353. The reversal of 53517340 is 4371535.

It is a junction number, because it is equal to n+sod(n) for n = 53517299 and 53517308.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1337914 + ... + 1337953.

It is an arithmetic number, because the mean of its divisors is an integer number (9365538).

Almost surely, 2^53517340 is an apocalyptic number.

It is an amenable number.

53517340 is an abundant number, since it is smaller than the sum of its proper divisors (58869116).

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

53517340 is a wasteful number, since it uses less digits than its factorization.

53517340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675876 (or 2675874 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 53517340 is about 7315.5546611313. The cubic root of 53517340 is about 376.8468069175.

Adding to 53517340 its reverse (4371535), we get a palindrome (57888875).

The spelling of 53517340 in words is "fifty-three million, five hundred seventeen thousand, three hundred forty".