54691471 has 6 divisors (see below), whose sum is σ = 56513616. Its totient is φ = 52926300.

The previous prime is 54691459. The next prime is 54691489. The reversal of 54691471 is 17419645.

It is not a de Polignac number, because 54691471 - 2⁹ = 54690959 is a prime.

It is a super-3 number, since 3×54691471³ (a number of 24 digits) contains 333 as substring.

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 54691471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54691271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27495 + ... + 29416.

It is an arithmetic number, because the mean of its divisors is an integer number (9418936).

Almost surely, 2^54691471 is an apocalyptic number.

54691471 is a deficient number, since it is larger than the sum of its proper divisors (1822145).

54691471 is an equidigital number, since it uses as much as digits as its factorization.

54691471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56973 (or 56942 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 54691471 is about 7395.3682126044. The cubic root of 54691471 is about 379.5828085343.

The spelling of 54691471 in words is "fifty-four million, six hundred ninety-one thousand, four hundred seventy-one".