502540540655 has 4 divisors (see below), whose sum is σ = 603048648792. Its totient is φ = 402032432520.

The previous prime is 502540540627. The next prime is 502540540703. The reversal of 502540540655 is 556045045205.

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

It is not a de Polignac number, because 502540540655 - 2¹² = 502540536559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50254054061 + ... + 50254054070.

It is an arithmetic number, because the mean of its divisors is an integer number (150762162198).

Almost surely, 2^502540540655 is an apocalyptic number.

502540540655 is a deficient number, since it is larger than the sum of its proper divisors (100508108137).

502540540655 is a wasteful number, since it uses less digits than its factorization.

502540540655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100508108136.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 502540540655 in words is "five hundred two billion, five hundred forty million, five hundred forty thousand, six hundred fifty-five".