54515011 has 4 divisors (see below), whose sum is σ = 54595512. Its totient is φ = 54434512.

The previous prime is 54515003. The next prime is 54515017. The reversal of 54515011 is 11051545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11051545 = 5 ⋅2210309.

It is a cyclic number.

It is not a de Polignac number, because 54515011 - 2³ = 54515003 is a prime.

It is a super-3 number, since 3×54515011³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54515017) 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, 39226 + ... + 40591.

It is an arithmetic number, because the mean of its divisors is an integer number (13648878).

Almost surely, 2^54515011 is an apocalyptic number.

54515011 is a deficient number, since it is larger than the sum of its proper divisors (80501).

54515011 is an equidigital number, since it uses as much as digits as its factorization.

54515011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80500.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 54515011 is about 7383.4281333267. The cubic root of 54515011 is about 379.1741320807.

Adding to 54515011 its reverse (11051545), we get a palindrome (65566556).

The spelling of 54515011 in words is "fifty-four million, five hundred fifteen thousand, eleven".