54870071 has 4 divisors (see below), whose sum is σ = 55146000. Its totient is φ = 54594144.

The previous prime is 54870047. The next prime is 54870083. The reversal of 54870071 is 17007845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17007845 = 5 ⋅3401569.

It is a cyclic number.

It is not a de Polignac number, because 54870071 - 2²² = 50675767 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 (54870091) 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 3 ways as a sum of consecutive naturals, for example, 137666 + ... + 138063.

It is an arithmetic number, because the mean of its divisors is an integer number (13786500).

Almost surely, 2^54870071 is an apocalyptic number.

54870071 is a deficient number, since it is larger than the sum of its proper divisors (275929).

54870071 is a wasteful number, since it uses less digits than its factorization.

54870071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275928.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 54870071 is about 7407.4334961578. The cubic root of 54870071 is about 379.9955470392.

The spelling of 54870071 in words is "fifty-four million, eight hundred seventy thousand, seventy-one".