54111451 has 4 divisors (see below), whose sum is σ = 54145000. Its totient is φ = 54077904.

The previous prime is 54111439. The next prime is 54111503. The reversal of 54111451 is 15411145.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54111451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54511451) 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, 14226 + ... + 17623.

It is an arithmetic number, because the mean of its divisors is an integer number (13536250).

Almost surely, 2^54111451 is an apocalyptic number.

54111451 is a deficient number, since it is larger than the sum of its proper divisors (33549).

54111451 is a wasteful number, since it uses less digits than its factorization.

54111451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33548.

The product of its digits is 400, while the sum is 22.

The square root of 54111451 is about 7356.0485996219. The cubic root of 54111451 is about 378.2361723153.

Adding to 54111451 its reverse (15411145), we get a palindrome (69522596).

The spelling of 54111451 in words is "fifty-four million, one hundred eleven thousand, four hundred fifty-one".