54071617 has 4 divisors (see below), whose sum is σ = 54226900. Its totient is φ = 53916336.

The previous prime is 54071593. The next prime is 54071623. The reversal of 54071617 is 71617045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48497296 + 5574321 = 6964^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 54071617 - 2⁷ = 54071489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54071687) 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, 77118 + ... + 77815.

It is an arithmetic number, because the mean of its divisors is an integer number (13556725).

Almost surely, 2^54071617 is an apocalyptic number.

It is an amenable number.

54071617 is a deficient number, since it is larger than the sum of its proper divisors (155283).

54071617 is a wasteful number, since it uses less digits than its factorization.

54071617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155282.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 54071617 is about 7353.3405333902. The cubic root of 54071617 is about 378.1433370157.

The spelling of 54071617 in words is "fifty-four million, seventy-one thousand, six hundred seventeen".