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55414541 = 721386993
BaseRepresentation
bin1101001101100…
…0111100001101
310212021100110102
43103120330031
5103141231131
65255420445
71242005300
oct323307415
9125240412
1055414541
1129309846
1216684725
13b632a90
147506b37
154ce91cb
hex34d8f0d

55414541 has 12 divisors (see below), whose sum is σ = 69421212. Its totient is φ = 43843968.

The previous prime is 55414537. The next prime is 55414553. The reversal of 55414541 is 14541455.

It can be written as a sum of positive squares in 2 ways, for example, as 25755625 + 29658916 = 5075^2 + 5446^2 .

It is not a de Polignac number, because 55414541 - 22 = 55414537 is a prime.

It is a super-3 number, since 3×554145413 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55414571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42860 + ... + 44133.

It is an arithmetic number, because the mean of its divisors is an integer number (5785101).

Almost surely, 255414541 is an apocalyptic number.

It is an amenable number.

55414541 is a deficient number, since it is larger than the sum of its proper divisors (14006671).

55414541 is a wasteful number, since it uses less digits than its factorization.

55414541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87020 (or 87013 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 55414541 is about 7444.0943707076. The cubic root of 55414541 is about 381.2482979051.

Adding to 55414541 its reverse (14541455), we get a palindrome (69955996).

It can be divided in two parts, 5541454 and 1, that added together give a palindrome (5541455).

The spelling of 55414541 in words is "fifty-five million, four hundred fourteen thousand, five hundred forty-one".

Divisors: 1 7 13 49 91 637 86993 608951 1130909 4262657 7916363 55414541