54513775 has 6 divisors (see below), whose sum is σ = 67597112. Its totient is φ = 43611000.

The previous prime is 54513773. The next prime is 54513787. The reversal of 54513775 is 57731545.

It is not a de Polignac number, because 54513775 - 2¹ = 54513773 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 (54513773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1090251 + ... + 1090300.

Almost surely, 2^54513775 is an apocalyptic number.

54513775 is a deficient number, since it is larger than the sum of its proper divisors (13083337).

54513775 is a wasteful number, since it uses less digits than its factorization.

54513775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180561 (or 2180556 counting only the distinct ones).

The product of its digits is 73500, while the sum is 37.

The square root of 54513775 is about 7383.3444318953. The cubic root of 54513775 is about 379.1712664311.

The spelling of 54513775 in words is "fifty-four million, five hundred thirteen thousand, seven hundred seventy-five".