505555412334 has 32 divisors (see below), whose sum is σ = 1157503944960. Its totient is φ = 144200813952.

The previous prime is 505555412309. The next prime is 505555412389. The reversal of 505555412334 is 433214555505.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10124364 + ... + 10174175.

It is an arithmetic number, because the mean of its divisors is an integer number (36171998280).

Almost surely, 2^505555412334 is an apocalyptic number.

505555412334 is an abundant number, since it is smaller than the sum of its proper divisors (651948532626).

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

505555412334 is a wasteful number, since it uses less digits than its factorization.

505555412334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20299144.

The product of its (nonzero) digits is 900000, while the sum is 42.

Adding to 505555412334 its reverse (433214555505), we get a palindrome (938769967839).

The spelling of 505555412334 in words is "five hundred five billion, five hundred fifty-five million, four hundred twelve thousand, three hundred thirty-four".