55213524515 has 8 divisors (see below), whose sum is σ = 66276895680. Its totient is φ = 44157042112.

The previous prime is 55213524497. The next prime is 55213524559. The reversal of 55213524515 is 51542531255.

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 55213524515 - 2³⁰ = 54139782691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704539 + ... + 1736628.

It is an arithmetic number, because the mean of its divisors is an integer number (8284611960).

Almost surely, 2^55213524515 is an apocalyptic number.

55213524515 is a deficient number, since it is larger than the sum of its proper divisors (11063371165).

55213524515 is a wasteful number, since it uses less digits than its factorization.

55213524515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444381.

The product of its digits is 150000, while the sum is 38.

The spelling of 55213524515 in words is "fifty-five billion, two hundred thirteen million, five hundred twenty-four thousand, five hundred fifteen".