505542255452 has 24 divisors (see below), whose sum is σ = 983486673792. Its totient is φ = 225800510400.

The previous prime is 505542255409. The next prime is 505542255467. The reversal of 505542255452 is 254552245505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156804299 + ... + 156807522.

It is an arithmetic number, because the mean of its divisors is an integer number (40978611408).

Almost surely, 2^505542255452 is an apocalyptic number.

505542255452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505542255452 is a deficient number, since it is larger than the sum of its proper divisors (477944418340).

505542255452 is a wasteful number, since it uses less digits than its factorization.

505542255452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313611869 (or 313611867 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 44.

The spelling of 505542255452 in words is "five hundred five billion, five hundred forty-two million, two hundred fifty-five thousand, four hundred fifty-two".