54072511 has 4 divisors (see below), whose sum is σ = 54099952. Its totient is φ = 54045072.

The previous prime is 54072509. The next prime is 54072521. The reversal of 54072511 is 11527045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11527045 = 5 ⋅2305409.

It is a cyclic number.

It is not a de Polignac number, because 54072511 - 2¹ = 54072509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54072521) 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, 10515 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (13524988).

Almost surely, 2^54072511 is an apocalyptic number.

54072511 is a deficient number, since it is larger than the sum of its proper divisors (27441).

54072511 is a wasteful number, since it uses less digits than its factorization.

54072511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27440.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 54072511 is about 7353.4013218374. The cubic root of 54072511 is about 378.1454210313.

Adding to 54072511 its reverse (11527045), we get a palindrome (65599556).

The spelling of 54072511 in words is "fifty-four million, seventy-two thousand, five hundred eleven".