54091757 has 4 divisors (see below), whose sum is σ = 55957020. Its totient is φ = 52226496.

The previous prime is 54091703. The next prime is 54091769. The reversal of 54091757 is 75719045.

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 18498601 + 35593156 = 4301^2 + 5966^2 .

It is a cyclic number.

It is not a de Polignac number, because 54091757 - 2¹⁸ = 53829613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54091757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54091357) 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, 932588 + ... + 932645.

It is an arithmetic number, because the mean of its divisors is an integer number (13989255).

Almost surely, 2^54091757 is an apocalyptic number.

It is an amenable number.

54091757 is a deficient number, since it is larger than the sum of its proper divisors (1865263).

54091757 is a wasteful number, since it uses less digits than its factorization.

54091757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865262.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 54091757 is about 7354.7098515169. The cubic root of 54091757 is about 378.1902800755.

The spelling of 54091757 in words is "fifty-four million, ninety-one thousand, seven hundred fifty-seven".