5653951 has 4 divisors (see below), whose sum is σ = 5725600. Its totient is φ = 5582304.

The previous prime is 5653937. The next prime is 5653957. The reversal of 5653951 is 1593565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1593565 = 5 ⋅318713.

It is a cyclic number.

It is not a de Polignac number, because 5653951 - 2⁵ = 5653919 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5653957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35706 + ... + 35863.

It is an arithmetic number, because the mean of its divisors is an integer number (1431400).

Almost surely, 2^5653951 is an apocalyptic number.

5653951 is a deficient number, since it is larger than the sum of its proper divisors (71649).

5653951 is an equidigital number, since it uses as much as digits as its factorization.

5653951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71648.

The product of its digits is 20250, while the sum is 34.

The square root of 5653951 is about 2377.8038186528. The cubic root of 5653951 is about 178.1492562022.

The spelling of 5653951 in words is "five million, six hundred fifty-three thousand, nine hundred fifty-one".