54771457 has 4 divisors (see below), whose sum is σ = 58984660. Its totient is φ = 50558256.

The previous prime is 54771427. The next prime is 54771461. The reversal of 54771457 is 75417745.

It is a happy number.

54771457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23902321 + 30869136 = 4889^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 54771457 - 2⁷ = 54771329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54771427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106582 + ... + 2106607.

It is an arithmetic number, because the mean of its divisors is an integer number (14746165).

Almost surely, 2^54771457 is an apocalyptic number.

It is an amenable number.

54771457 is a deficient number, since it is larger than the sum of its proper divisors (4213203).

54771457 is a wasteful number, since it uses less digits than its factorization.

54771457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213202.

The product of its digits is 137200, while the sum is 40.

The square root of 54771457 is about 7400.7740811350. The cubic root of 54771457 is about 379.7677643778.

The spelling of 54771457 in words is "fifty-four million, seven hundred seventy-one thousand, four hundred fifty-seven".