Search a number
-
+
54988275533 = 371486169609
BaseRepresentation
bin110011001101100011…
…100111111101001101
312020221020010211020112
4303031203213331031
51400103444304113
641132233325405
73654442426052
oct631543477515
9166836124215
1054988275533
11213584a2314
12a7a7566865
135254354b59
14293901d029
15166c7825a8
hexccd8e7f4d

54988275533 has 4 divisors (see below), whose sum is σ = 56474445180. Its totient is φ = 53502105888.

The previous prime is 54988275527. The next prime is 54988275539. The reversal of 54988275533 is 33557288945.

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

It is an interprime number because it is at equal distance from previous prime (54988275527) and next prime (54988275539).

It can be written as a sum of positive squares in 2 ways, for example, as 35038972969 + 19949302564 = 187187^2 + 141242^2 .

It is a cyclic number.

It is not a de Polignac number, because 54988275533 - 214 = 54988259149 is a prime.

It is a super-3 number, since 3×549882755333 (a number of 33 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 (54988275539) 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, 743084768 + ... + 743084841.

It is an arithmetic number, because the mean of its divisors is an integer number (14118611295).

Almost surely, 254988275533 is an apocalyptic number.

It is an amenable number.

54988275533 is a deficient number, since it is larger than the sum of its proper divisors (1486169647).

54988275533 is a wasteful number, since it uses less digits than its factorization.

54988275533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486169646.

The product of its digits is 36288000, while the sum is 59.

The spelling of 54988275533 in words is "fifty-four billion, nine hundred eighty-eight million, two hundred seventy-five thousand, five hundred thirty-three".

Divisors: 1 37 1486169609 54988275533