54020121535 has 8 divisors (see below), whose sum is σ = 64828429776. Its totient is φ = 43213241280.

The previous prime is 54020121487. The next prime is 54020121541. The reversal of 54020121535 is 53512102045.

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

It is not a de Polignac number, because 54020121535 - 2²³ = 54011732927 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 271926 + ... + 426595.

It is an arithmetic number, because the mean of its divisors is an integer number (8103553722).

Almost surely, 2^54020121535 is an apocalyptic number.

54020121535 is a deficient number, since it is larger than the sum of its proper divisors (10808308241).

54020121535 is a wasteful number, since it uses less digits than its factorization.

54020121535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713993.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 54020121535 in words is "fifty-four billion, twenty million, one hundred twenty-one thousand, five hundred thirty-five".