54551459 has 4 divisors (see below), whose sum is σ = 55476120. Its totient is φ = 53626800.

The previous prime is 54551447. The next prime is 54551461. The reversal of 54551459 is 95415545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95415545 = 5 ⋅19083109.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54551459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54551479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462242 + ... + 462359.

It is an arithmetic number, because the mean of its divisors is an integer number (13869030).

Almost surely, 2^54551459 is an apocalyptic number.

54551459 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

54551459 is a deficient number, since it is larger than the sum of its proper divisors (924661).

54551459 is an equidigital number, since it uses as much as digits as its factorization.

54551459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924660.

The product of its digits is 90000, while the sum is 38.

The square root of 54551459 is about 7385.8959510678. The cubic root of 54551459 is about 379.2586168228.

The spelling of 54551459 in words is "fifty-four million, five hundred fifty-one thousand, four hundred fifty-nine".