2572643550 has 48 divisors (see below), whose sum is σ = 6385484160. Its totient is φ = 685465440.

The previous prime is 2572643533. The next prime is 2572643551. The reversal of 2572643550 is 553462752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2572643499 and 2572643508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572643551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191349 + ... + 204351.

It is an arithmetic number, because the mean of its divisors is an integer number (133030920).

Almost surely, 2^2572643550 is an apocalyptic number.

2572643550 is an abundant number, since it is smaller than the sum of its proper divisors (3812840610).

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

2572643550 is a wasteful number, since it uses less digits than its factorization.

2572643550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14337 (or 14332 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 2572643550 is about 50721.2337192226. The cubic root of 2572643550 is about 1370.2291605223.

The spelling of 2572643550 in words is "two billion, five hundred seventy-two million, six hundred forty-three thousand, five hundred fifty".