505105542 has 24 divisors (see below), whose sum is σ = 1109389944. Its totient is φ = 166061664.

The previous prime is 505105501. The next prime is 505105561. The reversal of 505105542 is 245501505.

505105542 is a `hidden beast` number, since 505 + 105 + 54 + 2 = 666.

It is a super-2 number, since 2×505105542² = 510263217118227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190888 + ... + 193515.

It is an arithmetic number, because the mean of its divisors is an integer number (46224581).

Almost surely, 2^505105542 is an apocalyptic number.

505105542 is an abundant number, since it is smaller than the sum of its proper divisors (604284402).

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

505105542 is a wasteful number, since it uses less digits than its factorization.

505105542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384484 (or 384481 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 505105542 is about 22474.5532102420. The cubic root of 505105542 is about 796.3928969116.

The spelling of 505105542 in words is "five hundred five million, one hundred five thousand, five hundred forty-two".