53584290 has 24 divisors (see below), whose sum is σ = 139319388. Its totient is φ = 14289120.

The previous prime is 53584283. The next prime is 53584301. The reversal of 53584290 is 9248535.

53584290 is a `hidden beast` number, since 53 + 584 + 29 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48066489 + 5517801 = 6933^2 + 2349^2 .

It is a super-2 number, since 2×53584290² = 5742552269608200, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 297601 + ... + 297780.

Almost surely, 2^53584290 is an apocalyptic number.

53584290 is an abundant number, since it is smaller than the sum of its proper divisors (85735098).

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

53584290 is a wasteful number, since it uses less digits than its factorization.

53584290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595394 (or 595391 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 53584290 is about 7320.1290972223. The cubic root of 53584290 is about 377.0038861009.

The spelling of 53584290 in words is "fifty-three million, five hundred eighty-four thousand, two hundred ninety".