505455542 has 4 divisors (see below), whose sum is σ = 758183316. Its totient is φ = 252727770.

The previous prime is 505455539. The next prime is 505455553. The reversal of 505455542 is 245554505.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126363884 + ... + 126363887.

It is an arithmetic number, because the mean of its divisors is an integer number (189545829).

Almost surely, 2^505455542 is an apocalyptic number.

505455542 is a deficient number, since it is larger than the sum of its proper divisors (252727774).

505455542 is a wasteful number, since it uses less digits than its factorization.

505455542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252727773.

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 505455542 is about 22482.3384459891. The cubic root of 505455542 is about 796.5768011548.

The spelling of 505455542 in words is "five hundred five million, four hundred fifty-five thousand, five hundred forty-two".