53649590 has 8 divisors (see below), whose sum is σ = 96569280. Its totient is φ = 21459832.

The previous prime is 53649581. The next prime is 53649613. The reversal of 53649590 is 9594635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2682470 + ... + 2682489.

It is an arithmetic number, because the mean of its divisors is an integer number (12071160).

Almost surely, 2^53649590 is an apocalyptic number.

53649590 is a deficient number, since it is larger than the sum of its proper divisors (42919690).

53649590 is a wasteful number, since it uses less digits than its factorization.

53649590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364966.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 53649590 is about 7324.5880430233. The cubic root of 53649590 is about 377.1569680348.

The spelling of 53649590 in words is "fifty-three million, six hundred forty-nine thousand, five hundred ninety".