1255552452 has 288 divisors, whose sum is σ = 4305100800. Its totient is φ = 298598400.

The previous prime is 1255552409. The next prime is 1255552453. The reversal of 1255552452 is 2542555521.

1255552452 is a `hidden beast` number, since 1 + 2 + 55 + 552 + 4 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1255552453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1632324 + ... + 1633092.

Almost surely, 2^1255552452 is an apocalyptic number.

1255552452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255552452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152550400).

1255552452 is an abundant number, since it is smaller than the sum of its proper divisors (3049548348).

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

1255552452 is a wasteful number, since it uses less digits than its factorization.

1255552452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 842 counting only the distinct ones).

The product of its digits is 100000, while the sum is 36.

The square root of 1255552452 is about 35433.7755820629. The cubic root of 1255552452 is about 1078.8099752316.

The spelling of 1255552452 in words is "one billion, two hundred fifty-five million, five hundred fifty-two thousand, four hundred fifty-two".