54539851 has 4 divisors (see below), whose sum is σ = 54607104. Its totient is φ = 54472600.

The previous prime is 54539827. The next prime is 54539869. The reversal of 54539851 is 15893545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54539851 - 2⁹ = 54539339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54539951) 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, 32395 + ... + 34036.

It is an arithmetic number, because the mean of its divisors is an integer number (13651776).

Almost surely, 2^54539851 is an apocalyptic number.

54539851 is a deficient number, since it is larger than the sum of its proper divisors (67253).

54539851 is an equidigital number, since it uses as much as digits as its factorization.

54539851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67252.

The product of its digits is 108000, while the sum is 40.

The square root of 54539851 is about 7385.1100871957. The cubic root of 54539851 is about 379.2317141123.

The spelling of 54539851 in words is "fifty-four million, five hundred thirty-nine thousand, eight hundred fifty-one".