54420817 has 16 divisors (see below), whose sum is σ = 61758144. Its totient is φ = 47520000.

The previous prime is 54420811. The next prime is 54420857. The reversal of 54420817 is 71802445.

It is not a de Polignac number, because 54420817 - 2¹¹ = 54418769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54420811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29317 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (3859884).

Almost surely, 2^54420817 is an apocalyptic number.

It is an amenable number.

54420817 is a deficient number, since it is larger than the sum of its proper divisors (7337327).

54420817 is a wasteful number, since it uses less digits than its factorization.

54420817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 54420817 is about 7377.0466312746. The cubic root of 54420817 is about 378.9556202865.

The spelling of 54420817 in words is "fifty-four million, four hundred twenty thousand, eight hundred seventeen".