2553771634 has 8 divisors (see below), whose sum is σ = 3919742640. Its totient is φ = 1247190756.

The previous prime is 2553771631. The next prime is 2553771659. The reversal of 2553771634 is 4361773552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2553771631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14847424 + ... + 14847595.

It is an arithmetic number, because the mean of its divisors is an integer number (489967830).

Almost surely, 2^2553771634 is an apocalyptic number.

2553771634 is a deficient number, since it is larger than the sum of its proper divisors (1365971006).

2553771634 is a wasteful number, since it uses less digits than its factorization.

2553771634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29695064.

The product of its digits is 529200, while the sum is 43.

The square root of 2553771634 is about 50534.8556345024. The cubic root of 2553771634 is about 1366.8704443183.

The spelling of 2553771634 in words is "two billion, five hundred fifty-three million, seven hundred seventy-one thousand, six hundred thirty-four".