1255432554 has 16 divisors (see below), whose sum is σ = 2789850240. Its totient is φ = 418477500.

The previous prime is 1255432547. The next prime is 1255432559. The reversal of 1255432554 is 4552345521.

1255432554 is a `hidden beast` number, since 1 + 25 + 54 + 32 + 554 = 666.

It is a super-2 number, since 2×1255432554² = 3152221795285925832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255432559) 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, 11624322 + ... + 11624429.

It is an arithmetic number, because the mean of its divisors is an integer number (174365640).

Almost surely, 2^1255432554 is an apocalyptic number.

1255432554 is an abundant number, since it is smaller than the sum of its proper divisors (1534417686).

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

1255432554 is a wasteful number, since it uses less digits than its factorization.

1255432554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23248762 (or 23248756 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 1255432554 is about 35432.0836813191. The cubic root of 1255432554 is about 1078.7756341000.

The spelling of 1255432554 in words is "one billion, two hundred fifty-five million, four hundred thirty-two thousand, five hundred fifty-four".