1255550506 has 32 divisors (see below), whose sum is σ = 2190447360. Its totient is φ = 528633216.

The previous prime is 1255550497. The next prime is 1255550537. The reversal of 1255550506 is 6050555521.

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, 272635 + ... + 277201.

It is an arithmetic number, because the mean of its divisors is an integer number (68451480).

Almost surely, 2^1255550506 is an apocalyptic number.

1255550506 is a deficient number, since it is larger than the sum of its proper divisors (934896854).

1255550506 is a wasteful number, since it uses less digits than its factorization.

1255550506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 1255550506 is about 35433.7481223762. The cubic root of 1255550506 is about 1078.8094178766.

The spelling of 1255550506 in words is "one billion, two hundred fifty-five million, five hundred fifty thousand, five hundred six".