54840571 has 4 divisors (see below), whose sum is σ = 55190032. Its totient is φ = 54491112.

The previous prime is 54840563. The next prime is 54840601. The reversal of 54840571 is 17504845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17504845 = 5 ⋅3500969.

It is a cyclic number.

It is not a de Polignac number, because 54840571 - 2³ = 54840563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54840551) 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, 174495 + ... + 174808.

It is an arithmetic number, because the mean of its divisors is an integer number (13797508).

Almost surely, 2^54840571 is an apocalyptic number.

54840571 is a deficient number, since it is larger than the sum of its proper divisors (349461).

54840571 is a wasteful number, since it uses less digits than its factorization.

54840571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349460.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 54840571 is about 7405.4419854591. The cubic root of 54840571 is about 379.9274353591.

The spelling of 54840571 in words is "fifty-four million, eight hundred forty thousand, five hundred seventy-one".