53368340 has 24 divisors (see below), whose sum is σ = 117972960. Its totient is φ = 20223648.

The previous prime is 53368339. The next prime is 53368379. The reversal of 53368340 is 4386335.

It is a junction number, because it is equal to n+sod(n) for n = 53368297 and 53368306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69842 + ... + 70601.

It is an arithmetic number, because the mean of its divisors is an integer number (4915540).

Almost surely, 2^53368340 is an apocalyptic number.

It is an amenable number.

53368340 is an abundant number, since it is smaller than the sum of its proper divisors (64604620).

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

53368340 is a wasteful number, since it uses less digits than its factorization.

53368340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140471 (or 140469 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 53368340 is about 7305.3637828653. The cubic root of 53368340 is about 376.4967498766.

The spelling of 53368340 in words is "fifty-three million, three hundred sixty-eight thousand, three hundred forty".