53517380 has 24 divisors (see below), whose sum is σ = 128442048. Its totient is φ = 18348768.

The previous prime is 53517379. The next prime is 53517397. The reversal of 53517380 is 8371535.

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, 190994 + ... + 191273.

It is an arithmetic number, because the mean of its divisors is an integer number (5351752).

Almost surely, 2^53517380 is an apocalyptic number.

It is an amenable number.

53517380 is an abundant number, since it is smaller than the sum of its proper divisors (74924668).

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

53517380 is a wasteful number, since it uses less digits than its factorization.

53517380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382283 (or 382281 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 53517380 is about 7315.5573950315. The cubic root of 53517380 is about 376.8469008053.

The spelling of 53517380 in words is "fifty-three million, five hundred seventeen thousand, three hundred eighty".