2567557652 has 48 divisors (see below), whose sum is σ = 5069034432. Its totient is φ = 1127892480.

The previous prime is 2567557633. The next prime is 2567557661.

2567557652 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2567557652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148028 + ... + 164460.

It is an arithmetic number, because the mean of its divisors is an integer number (105604884).

Almost surely, 2^2567557652 is an apocalyptic number.

2567557652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2567557652 is a deficient number, since it is larger than the sum of its proper divisors (2501476780).

2567557652 is a wasteful number, since it uses less digits than its factorization.

2567557652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16568 (or 16566 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 50.

The square root of 2567557652 is about 50671.0731285612. The cubic root of 2567557652 is about 1369.3256225941.

The spelling of 2567557652 in words is "two billion, five hundred sixty-seven million, five hundred fifty-seven thousand, six hundred fifty-two".