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55027141 = 135877211
BaseRepresentation
bin1101000111101…
…0010111000101
310211112200001021
43101322113011
5103041332031
65243231141
71235502661
oct321722705
9124480037
1055027141
1129074784
12165184b1
13b528650
1474458a1
154c6e511
hex347a5c5

55027141 has 8 divisors (see below), whose sum is σ = 59369184. Its totient is φ = 50700720.

The previous prime is 55027129. The next prime is 55027153. The reversal of 55027141 is 14172055.

It is an interprime number because it is at equal distance from previous prime (55027129) and next prime (55027153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55027141 - 27 = 55027013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026 + ... + 11236.

It is an arithmetic number, because the mean of its divisors is an integer number (7421148).

Almost surely, 255027141 is an apocalyptic number.

It is an amenable number.

55027141 is a deficient number, since it is larger than the sum of its proper divisors (4342043).

55027141 is a wasteful number, since it uses less digits than its factorization.

55027141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 55027141 is about 7418.0281072533. The cubic root of 55027141 is about 380.3577909000.

Adding to 55027141 its reverse (14172055), we get a palindrome (69199196).

The spelling of 55027141 in words is "fifty-five million, twenty-seven thousand, one hundred forty-one".

Divisors: 1 13 587 7211 7631 93743 4232857 55027141