54812971 has 4 divisors (see below), whose sum is σ = 55847232. Its totient is φ = 53778712.

The previous prime is 54812969. The next prime is 54812983. The reversal of 54812971 is 17921845.

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

It is a cyclic number.

It is not a de Polignac number, because 54812971 - 2¹ = 54812969 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 54812971.

It is not an unprimeable number, because it can be changed into a prime (54812911) 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, 517051 + ... + 517156.

It is an arithmetic number, because the mean of its divisors is an integer number (13961808).

Almost surely, 2^54812971 is an apocalyptic number.

54812971 is a deficient number, since it is larger than the sum of its proper divisors (1034261).

54812971 is a wasteful number, since it uses less digits than its factorization.

54812971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034260.

The product of its digits is 20160, while the sum is 37.

The square root of 54812971 is about 7403.5782564919. The cubic root of 54812971 is about 379.8636884127.

The spelling of 54812971 in words is "fifty-four million, eight hundred twelve thousand, nine hundred seventy-one".