54020411515 has 8 divisors (see below), whose sum is σ = 74085135840. Its totient is φ = 37042567872.

The previous prime is 54020411503. The next prime is 54020411531. The reversal of 54020411515 is 51511402045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54020411515 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771720130 + ... + 771720199.

It is an arithmetic number, because the mean of its divisors is an integer number (9260641980).

Almost surely, 2^54020411515 is an apocalyptic number.

54020411515 is a deficient number, since it is larger than the sum of its proper divisors (20064724325).

54020411515 is a wasteful number, since it uses less digits than its factorization.

54020411515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543440341.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 54020411515 in words is "fifty-four billion, twenty million, four hundred eleven thousand, five hundred fifteen".