54421501545 has 96 divisors (see below), whose sum is σ = 102287877120. Its totient is φ = 26677123200.

The previous prime is 54421501501. The next prime is 54421501571. The reversal of 54421501545 is 54510512445.

54421501545 is a `hidden beast` number, since 5 + 44 + 21 + 50 + 1 + 545 = 666.

It is not a de Polignac number, because 54421501545 - 2⁷ = 54421501417 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 95 ways as a sum of consecutive naturals, for example, 5546614 + ... + 5556416.

It is an arithmetic number, because the mean of its divisors is an integer number (1065498720).

Almost surely, 2^54421501545 is an apocalyptic number.

It is an amenable number.

54421501545 is a deficient number, since it is larger than the sum of its proper divisors (47866375575).

54421501545 is a wasteful number, since it uses less digits than its factorization.

54421501545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 54421501545 in words is "fifty-four billion, four hundred twenty-one million, five hundred one thousand, five hundred forty-five".