54017851 has 4 divisors (see below), whose sum is σ = 54032832. Its totient is φ = 54002872.

The previous prime is 54017849. The next prime is 54017881. The reversal of 54017851 is 15871045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54017851 - 2¹ = 54017849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54017881) 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, 1581 + ... + 10513.

It is an arithmetic number, because the mean of its divisors is an integer number (13508208).

Almost surely, 2^54017851 is an apocalyptic number.

54017851 is a deficient number, since it is larger than the sum of its proper divisors (14981).

54017851 is an equidigital number, since it uses as much as digits as its factorization.

54017851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 54017851 is about 7349.6837346923. The cubic root of 54017851 is about 378.0179601033.

Adding to 54017851 its reverse (15871045), we get a palindrome (69888896).

The spelling of 54017851 in words is "fifty-four million, seventeen thousand, eight hundred fifty-one".