5221615534 has 16 divisors (see below), whose sum is σ = 7918819776. Its totient is φ = 2582150400.

The previous prime is 5221615471. The next prime is 5221615537. The reversal of 5221615534 is 4355161225.

It is a self number, because there is not a number n which added to its sum of digits gives 5221615534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221615537) 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, 39094 + ... + 109414.

It is an arithmetic number, because the mean of its divisors is an integer number (494926236).

Almost surely, 2^5221615534 is an apocalyptic number.

5221615534 is a deficient number, since it is larger than the sum of its proper divisors (2697204242).

5221615534 is a wasteful number, since it uses less digits than its factorization.

5221615534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70731.

The product of its digits is 36000, while the sum is 34.

The square root of 5221615534 is about 72260.7468408679. The cubic root of 5221615534 is about 1734.8754332579.

Adding to 5221615534 its reverse (4355161225), we get a palindrome (9576776759).

The spelling of 5221615534 in words is "five billion, two hundred twenty-one million, six hundred fifteen thousand, five hundred thirty-four".