54867457 has 4 divisors (see below), whose sum is σ = 55619140. Its totient is φ = 54115776.

The previous prime is 54867433. The next prime is 54867467. The reversal of 54867457 is 75476845.

It is a happy number.

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 21678336 + 33189121 = 4656^2 + 5761^2 .

It is not a de Polignac number, because 54867457 - 2²³ = 46478849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54867467) 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, 375732 + ... + 375877.

It is an arithmetic number, because the mean of its divisors is an integer number (13904785).

Almost surely, 2^54867457 is an apocalyptic number.

It is an amenable number.

54867457 is a deficient number, since it is larger than the sum of its proper divisors (751683).

54867457 is an equidigital number, since it uses as much as digits as its factorization.

54867457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751682.

The product of its digits is 940800, while the sum is 46.

The square root of 54867457 is about 7407.2570496777. The cubic root of 54867457 is about 379.9895126376.

The spelling of 54867457 in words is "fifty-four million, eight hundred sixty-seven thousand, four hundred fifty-seven".