54801749 has 4 divisors (see below), whose sum is σ = 54818700. Its totient is φ = 54784800.

The previous prime is 54801743. The next prime is 54801751. The reversal of 54801749 is 94710845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94710845 = 5 ⋅18942169.

It can be written as a sum of positive squares in 2 ways, for example, as 7879249 + 46922500 = 2807^2 + 6850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54801749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54801743) 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, 1952 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (13704675).

Almost surely, 2^54801749 is an apocalyptic number.

It is an amenable number.

54801749 is a deficient number, since it is larger than the sum of its proper divisors (16951).

54801749 is a wasteful number, since it uses less digits than its factorization.

54801749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16950.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 54801749 is about 7402.8203409241. The cubic root of 54801749 is about 379.8377631546.

The spelling of 54801749 in words is "fifty-four million, eight hundred one thousand, seven hundred forty-nine".