5654220637 has 4 divisors (see below), whose sum is σ = 6089160700. Its totient is φ = 5219280576.

The previous prime is 5654220599. The next prime is 5654220679. The reversal of 5654220637 is 7360224565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7360224565 = 5 ⋅1472044913.

It can be written as a sum of positive squares in 2 ways, for example, as 2683861636 + 2970359001 = 51806^2 + 54501^2 .

It is a cyclic number.

It is not a de Polignac number, because 5654220637 - 2²³ = 5645832029 is a prime.

It is a super-2 number, since 2×5654220637² = 63940422023753371538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5654220637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5654220937) 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, 217470012 + ... + 217470037.

It is an arithmetic number, because the mean of its divisors is an integer number (1522290175).

Almost surely, 2^5654220637 is an apocalyptic number.

It is an amenable number.

5654220637 is a deficient number, since it is larger than the sum of its proper divisors (434940063).

5654220637 is a wasteful number, since it uses less digits than its factorization.

5654220637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434940062.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 5654220637 is about 75194.5519103612. The cubic root of 5654220637 is about 1781.5208813738.

The spelling of 5654220637 in words is "five billion, six hundred fifty-four million, two hundred twenty thousand, six hundred thirty-seven".