54261617 has 4 divisors (see below), whose sum is σ = 54759540. Its totient is φ = 53763696.

The previous prime is 54261611. The next prime is 54261619. The reversal of 54261617 is 71616245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71616245 = 5 ⋅14323249.

It can be written as a sum of positive squares in 2 ways, for example, as 44502241 + 9759376 = 6671^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 54261617 - 2⁴ = 54261601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54261611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248798 + ... + 249015.

It is an arithmetic number, because the mean of its divisors is an integer number (13689885).

Almost surely, 2^54261617 is an apocalyptic number.

It is an amenable number.

54261617 is a deficient number, since it is larger than the sum of its proper divisors (497923).

54261617 is a wasteful number, since it uses less digits than its factorization.

54261617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497922.

The product of its digits is 10080, while the sum is 32.

The square root of 54261617 is about 7366.2485024604. The cubic root of 54261617 is about 378.5857332810.

The spelling of 54261617 in words is "fifty-four million, two hundred sixty-one thousand, six hundred seventeen".