52621002215 has 4 divisors (see below), whose sum is σ = 63145202664. Its totient is φ = 42096801768.

The previous prime is 52621002211. The next prime is 52621002281. The reversal of 52621002215 is 51220012625.

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

It is a cyclic number.

It is not a de Polignac number, because 52621002215 - 2² = 52621002211 is a prime.

It is a super-2 number, since 2×52621002215² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52621002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262100217 + ... + 5262100226.

It is an arithmetic number, because the mean of its divisors is an integer number (15786300666).

Almost surely, 2^52621002215 is an apocalyptic number.

52621002215 is a deficient number, since it is larger than the sum of its proper divisors (10524200449).

52621002215 is a wasteful number, since it uses less digits than its factorization.

52621002215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524200448.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 52621002215 in words is "fifty-two billion, six hundred twenty-one million, two thousand, two hundred fifteen".