54989847 has 20 divisors (see below), whose sum is σ = 89614536. Its totient is φ = 33326640.

The previous prime is 54989813. The next prime is 54989861. The reversal of 54989847 is 74898945.

54989847 is a `hidden beast` number, since 549 + 8 + 98 + 4 + 7 = 666.

It is not a de Polignac number, because 54989847 - 2¹⁴ = 54973463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54989793 and 54989802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54989047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29968 + ... + 31749.

Almost surely, 2^54989847 is an apocalyptic number.

54989847 is a deficient number, since it is larger than the sum of its proper divisors (34624689).

54989847 is a wasteful number, since it uses less digits than its factorization.

54989847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61740 (or 61731 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 54989847 is about 7415.5139403820. The cubic root of 54989847 is about 380.2718438019.

It can be divided in two parts, 549898 and 47, that added together give a palindrome (549945).

The spelling of 54989847 in words is "fifty-four million, nine hundred eighty-nine thousand, eight hundred forty-seven".