255550634 has 16 divisors (see below), whose sum is σ = 392868960. Its totient is φ = 124603920.

The previous prime is 255550619. The next prime is 255550637. The reversal of 255550634 is 436055552.

It is a super-2 number, since 2×255550634² = 130612253075603912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 255550594 and 255550603.

It is not an unprimeable number, because it can be changed into a prime (255550637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61544 + ... + 65564.

It is an arithmetic number, because the mean of its divisors is an integer number (24554310).

Almost surely, 2^255550634 is an apocalyptic number.

255550634 is a deficient number, since it is larger than the sum of its proper divisors (137318326).

255550634 is a wasteful number, since it uses less digits than its factorization.

255550634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 255550634 is about 15985.9511446770. The cubic root of 255550634 is about 634.5886802440.

The spelling of 255550634 in words is "two hundred fifty-five million, five hundred fifty thousand, six hundred thirty-four".