54136471 has 4 divisors (see below), whose sum is σ = 54154872. Its totient is φ = 54118072.

The previous prime is 54136451. The next prime is 54136493. The reversal of 54136471 is 17463145.

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 54136471 - 2¹³ = 54128279 is a prime.

It is a super-3 number, since 3×54136471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54136421) 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, 3685 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (13538718).

Almost surely, 2^54136471 is an apocalyptic number.

54136471 is a deficient number, since it is larger than the sum of its proper divisors (18401).

54136471 is a wasteful number, since it uses less digits than its factorization.

54136471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400.

The product of its digits is 10080, while the sum is 31.

The square root of 54136471 is about 7357.7490443749. The cubic root of 54136471 is about 378.2944594903.

The spelling of 54136471 in words is "fifty-four million, one hundred thirty-six thousand, four hundred seventy-one".