54776257 has 4 divisors (see below), whose sum is σ = 54917460. Its totient is φ = 54635056.

The previous prime is 54776251. The next prime is 54776311. The reversal of 54776257 is 75267745.

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 16941456 + 37834801 = 4116^2 + 6151^2 .

It is a cyclic number.

It is not a de Polignac number, because 54776257 - 2⁷ = 54776129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54776251) 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, 70018 + ... + 70795.

It is an arithmetic number, because the mean of its divisors is an integer number (13729365).

Almost surely, 2^54776257 is an apocalyptic number.

It is an amenable number.

54776257 is a deficient number, since it is larger than the sum of its proper divisors (141203).

54776257 is a wasteful number, since it uses less digits than its factorization.

54776257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141202.

The product of its digits is 411600, while the sum is 43.

The square root of 54776257 is about 7401.0983644321. The cubic root of 54776257 is about 379.7788579420.

The spelling of 54776257 in words is "fifty-four million, seven hundred seventy-six thousand, two hundred fifty-seven".