54011121 has 8 divisors (see below), whose sum is σ = 72182880. Its totient is φ = 35923392.

The previous prime is 54011117. The next prime is 54011123. The reversal of 54011121 is 12111045.

It is a happy number.

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

It is not a de Polignac number, because 54011121 - 2² = 54011117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54011121.

It is not an unprimeable number, because it can be changed into a prime (54011123) 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, 19491 + ... + 22088.

It is an arithmetic number, because the mean of its divisors is an integer number (9022860).

Almost surely, 2^54011121 is an apocalyptic number.

It is an amenable number.

54011121 is a deficient number, since it is larger than the sum of its proper divisors (18171759).

54011121 is a wasteful number, since it uses less digits than its factorization.

54011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42015.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 54011121 is about 7349.2258776010. The cubic root of 54011121 is about 378.0022605615.

Adding to 54011121 its reverse (12111045), we get a palindrome (66122166).

The spelling of 54011121 in words is "fifty-four million, eleven thousand, one hundred twenty-one".