5648157157 has 4 divisors (see below), whose sum is σ = 5673485440. Its totient is φ = 5622828876.

The previous prime is 5648157133. The next prime is 5648157161. The reversal of 5648157157 is 7517518465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5648157157 - 2¹¹ = 5648155109 is a prime.

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 5648157157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648157107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12663807 + ... + 12664252.

It is an arithmetic number, because the mean of its divisors is an integer number (1418371360).

Almost surely, 2^5648157157 is an apocalyptic number.

It is an amenable number.

5648157157 is a deficient number, since it is larger than the sum of its proper divisors (25328283).

5648157157 is a wasteful number, since it uses less digits than its factorization.

5648157157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25328282.

The product of its digits is 1176000, while the sum is 49.

The square root of 5648157157 is about 75154.2224828386. Note that the first 3 decimals coincide. The cubic root of 5648157157 is about 1780.8838304229.

The spelling of 5648157157 in words is "five billion, six hundred forty-eight million, one hundred fifty-seven thousand, one hundred fifty-seven".