54571811 has 8 divisors (see below), whose sum is σ = 64379904. Its totient is φ = 45266760.

The previous prime is 54571789. The next prime is 54571837. The reversal of 54571811 is 11817545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54571811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54571871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125525 + ... + 125958.

It is an arithmetic number, because the mean of its divisors is an integer number (8047488).

Almost surely, 2^54571811 is an apocalyptic number.

54571811 is a deficient number, since it is larger than the sum of its proper divisors (9808093).

54571811 is a wasteful number, since it uses less digits than its factorization.

54571811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251521.

The product of its digits is 5600, while the sum is 32.

The square root of 54571811 is about 7387.2735836708. The cubic root of 54571811 is about 379.3057754251.

The spelling of 54571811 in words is "fifty-four million, five hundred seventy-one thousand, eight hundred eleven".