505042355 has 8 divisors (see below), whose sum is σ = 606171600. Its totient is φ = 403953376.

The previous prime is 505042333. The next prime is 505042357. The reversal of 505042355 is 553240505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505042355 - 2¹⁶ = 504976819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505042357) 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, 42401 + ... + 52989.

It is an arithmetic number, because the mean of its divisors is an integer number (75771450).

Almost surely, 2^505042355 is an apocalyptic number.

505042355 is a deficient number, since it is larger than the sum of its proper divisors (101129245).

505042355 is a wasteful number, since it uses less digits than its factorization.

505042355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20133.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 505042355 is about 22473.1474208665. The cubic root of 505042355 is about 796.3596868381.

It can be divided in two parts, 50 and 5042355, that added together give a palindrome (5042405).

The spelling of 505042355 in words is "five hundred five million, forty-two thousand, three hundred fifty-five".