54151563 has 4 divisors (see below), whose sum is σ = 72202088. Its totient is φ = 36101040.

The previous prime is 54151553. The next prime is 54151571. The reversal of 54151563 is 36515145.

54151563 is nontrivially palindromic in base 8.

54151563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54151563 - 2¹⁸ = 53889419 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 54151563.

It is not an unprimeable number, because it can be changed into a prime (54151553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9025258 + ... + 9025263.

It is an arithmetic number, because the mean of its divisors is an integer number (18050522).

Almost surely, 2^54151563 is an apocalyptic number.

54151563 is a deficient number, since it is larger than the sum of its proper divisors (18050525).

54151563 is a wasteful number, since it uses less digits than its factorization.

54151563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18050524.

The product of its digits is 9000, while the sum is 30.

The square root of 54151563 is about 7358.7745583079. The cubic root of 54151563 is about 378.3296094820.

The spelling of 54151563 in words is "fifty-four million, one hundred fifty-one thousand, five hundred sixty-three".