54718147 has 4 divisors (see below), whose sum is σ = 59692536. Its totient is φ = 49743760.

The previous prime is 54718141. The next prime is 54718171. The reversal of 54718147 is 74181745.

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

It is a de Polignac number, because none of the positive numbers 2^k-54718147 is a prime.

It is a super-2 number, since 2×54718147² = 5988151222227218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54718141) 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, 2487178 + ... + 2487199.

It is an arithmetic number, because the mean of its divisors is an integer number (14923134).

Almost surely, 2^54718147 is an apocalyptic number.

54718147 is a deficient number, since it is larger than the sum of its proper divisors (4974389).

54718147 is a wasteful number, since it uses less digits than its factorization.

54718147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974388.

The product of its digits is 31360, while the sum is 37.

The square root of 54718147 is about 7397.1715540469. The cubic root of 54718147 is about 379.6445128852.

It can be divided in two parts, 54 and 718147, that added together give a triangular number (718201 = T₁₁₉₈).

The spelling of 54718147 in words is "fifty-four million, seven hundred eighteen thousand, one hundred forty-seven".