54321261 has 8 divisors (see below), whose sum is σ = 73175424. Its totient is φ = 35840640.

The previous prime is 54321257. The next prime is 54321287. The reversal of 54321261 is 16212345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54321261 - 2² = 54321257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54321221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93045 + ... + 93626.

It is an arithmetic number, because the mean of its divisors is an integer number (9146928).

Almost surely, 2^54321261 is an apocalyptic number.

It is an amenable number.

54321261 is a deficient number, since it is larger than the sum of its proper divisors (18854163).

54321261 is a wasteful number, since it uses less digits than its factorization.

54321261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186771.

The product of its digits is 1440, while the sum is 24.

The square root of 54321261 is about 7370.2958556628. The cubic root of 54321261 is about 378.7243954415.

The spelling of 54321261 in words is "fifty-four million, three hundred twenty-one thousand, two hundred sixty-one".