54142212215 has 32 divisors (see below), whose sum is σ = 82721278080. Its totient is φ = 33088495104.

The previous prime is 54142212211. The next prime is 54142212239. The reversal of 54142212215 is 51221224145.

It is not a de Polignac number, because 54142212215 - 2² = 54142212211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142212211) 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 31 ways as a sum of consecutive naturals, for example, 2038424 + ... + 2064813.

It is an arithmetic number, because the mean of its divisors is an integer number (2585039940).

Almost surely, 2^54142212215 is an apocalyptic number.

54142212215 is a deficient number, since it is larger than the sum of its proper divisors (28579065865).

54142212215 is a wasteful number, since it uses less digits than its factorization.

54142212215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103291.

The product of its digits is 6400, while the sum is 29.

The spelling of 54142212215 in words is "fifty-four billion, one hundred forty-two million, two hundred twelve thousand, two hundred fifteen".