54321051 has 4 divisors (see below), whose sum is σ = 72428072. Its totient is φ = 36214032.

The previous prime is 54321041. The next prime is 54321073. The reversal of 54321051 is 15012345.

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

It is not a de Polignac number, because 54321051 - 2⁷ = 54320923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54321041) 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, 9053506 + ... + 9053511.

It is an arithmetic number, because the mean of its divisors is an integer number (18107018).

Almost surely, 2^54321051 is an apocalyptic number.

54321051 is a deficient number, since it is larger than the sum of its proper divisors (18107021).

54321051 is a wasteful number, since it uses less digits than its factorization.

54321051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18107020.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 54321051 is about 7370.2816092738. The cubic root of 54321051 is about 378.7239074053.

Adding to 54321051 its reverse (15012345), we get a palindrome (69333396).

The spelling of 54321051 in words is "fifty-four million, three hundred twenty-one thousand, fifty-one".