54001511 has 4 divisors (see below), whose sum is σ = 54022752. Its totient is φ = 53980272.

The previous prime is 54001501. The next prime is 54001523. The reversal of 54001511 is 11510045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11510045 = 5 ⋅2302009.

It is a cyclic number.

It is not a de Polignac number, because 54001511 - 2²² = 49807207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54001511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54001501) 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, 6191 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (13505688).

Almost surely, 2^54001511 is an apocalyptic number.

54001511 is a deficient number, since it is larger than the sum of its proper divisors (21241).

54001511 is a wasteful number, since it uses less digits than its factorization.

54001511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21240.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 54001511 is about 7348.5720381582. The cubic root of 54001511 is about 377.9798403813.

Adding to 54001511 its reverse (11510045), we get a palindrome (65511556).

The spelling of 54001511 in words is "fifty-four million, one thousand, five hundred eleven".