54117445 has 16 divisors (see below), whose sum is σ = 66601728. Its totient is φ = 42194880.

The previous prime is 54117433. The next prime is 54117457. The reversal of 54117445 is 54471145.

It is an interprime number because it is at equal distance from previous prime (54117433) and next prime (54117457).

It is a de Polignac number, because none of the positive numbers 2^k-54117445 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 15 ways as a sum of consecutive naturals, for example, 98662 + ... + 99208.

It is an arithmetic number, because the mean of its divisors is an integer number (4162608).

Almost surely, 2^54117445 is an apocalyptic number.

It is an amenable number.

54117445 is a deficient number, since it is larger than the sum of its proper divisors (12484283).

54117445 is a wasteful number, since it uses less digits than its factorization.

54117445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its digits is 11200, while the sum is 31.

The square root of 54117445 is about 7356.4560081605. The cubic root of 54117445 is about 378.2501377137.

The spelling of 54117445 in words is "fifty-four million, one hundred seventeen thousand, four hundred forty-five".