255757550 has 48 divisors (see below), whose sum is σ = 497325312. Its totient is φ = 97759200.

The previous prime is 255757547. The next prime is 255757561. The reversal of 255757550 is 55757552.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 255757498 and 255757507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99785 + ... + 102315.

It is an arithmetic number, because the mean of its divisors is an integer number (10360944).

Almost surely, 2^255757550 is an apocalyptic number.

255757550 is a deficient number, since it is larger than the sum of its proper divisors (241567762).

255757550 is a wasteful number, since it uses less digits than its factorization.

255757550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 306250, while the sum is 41.

The square root of 255757550 is about 15992.4216427657. The cubic root of 255757550 is about 634.7599067523.

It can be divided in two parts, 25 and 5757550, that added together give a palindrome (5757575).

The spelling of 255757550 in words is "two hundred fifty-five million, seven hundred fifty-seven thousand, five hundred fifty".