54215125215 has 8 divisors (see below), whose sum is σ = 86744200368. Its totient is φ = 28914733440.

The previous prime is 54215125199. The next prime is 54215125219. The reversal of 54215125215 is 51252151245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54215125215 - 2⁴ = 54215125199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54215125219) 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, 1807170826 + ... + 1807170855.

It is an arithmetic number, because the mean of its divisors is an integer number (10843025046).

Almost surely, 2^54215125215 is an apocalyptic number.

54215125215 is a deficient number, since it is larger than the sum of its proper divisors (32529075153).

54215125215 is a wasteful number, since it uses less digits than its factorization.

54215125215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614341689.

The product of its digits is 20000, while the sum is 33.

The spelling of 54215125215 in words is "fifty-four billion, two hundred fifteen million, one hundred twenty-five thousand, two hundred fifteen".