5653990 has 16 divisors (see below), whose sum is σ = 10253952. Its totient is φ = 2244544.

The previous prime is 5653957. The next prime is 5653993. The reversal of 5653990 is 993565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5653993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 3433.

It is an arithmetic number, because the mean of its divisors is an integer number (640872).

Almost surely, 2^5653990 is an apocalyptic number.

5653990 is a deficient number, since it is larger than the sum of its proper divisors (4599962).

5653990 is a wasteful number, since it uses less digits than its factorization.

5653990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5653990 is about 2377.8120194835. The cubic root of 5653990 is about 178.1496658158.

The spelling of 5653990 in words is "five million, six hundred fifty-three thousand, nine hundred ninety".