5961563540 has 48 divisors (see below), whose sum is σ = 12674264400. Its totient is φ = 2355167232.

The previous prime is 5961563539. The next prime is 5961563551. The reversal of 5961563540 is 453651695.

It can be written as a sum of positive squares in 8 ways, for example, as 2044305796 + 3917257744 = 45214^2 + 62588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5961563491 and 5961563500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2506832 + ... + 2509208.

It is an arithmetic number, because the mean of its divisors is an integer number (264047175).

Almost surely, 2^5961563540 is an apocalyptic number.

It is an amenable number.

5961563540 is an abundant number, since it is smaller than the sum of its proper divisors (6712700860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5961563540 is a wasteful number, since it uses less digits than its factorization.

5961563540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 5961563540 is about 77211.1620169001. The cubic root of 5961563540 is about 1813.2320729781.

The spelling of 5961563540 in words is "five billion, nine hundred sixty-one million, five hundred sixty-three thousand, five hundred forty".