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55100741 = 192900039
BaseRepresentation
bin1101001000110…
…0010101000101
310211200102000012
43102030111011
5103101210431
65245000005
71236230363
oct322142505
9124612005
1055100741
1129115003
1216553005
13b552cb7
147464633
154c8622b
hex348c545

55100741 has 4 divisors (see below), whose sum is σ = 58000800. Its totient is φ = 52200684.

The previous prime is 55100737. The next prime is 55100743. The reversal of 55100741 is 14700155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55100741 - 22 = 55100737 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 (55100743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450001 + ... + 1450038.

It is an arithmetic number, because the mean of its divisors is an integer number (14500200).

Almost surely, 255100741 is an apocalyptic number.

It is an amenable number.

55100741 is a deficient number, since it is larger than the sum of its proper divisors (2900059).

55100741 is a wasteful number, since it uses less digits than its factorization.

55100741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900058.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 55100741 is about 7422.9873366455. The cubic root of 55100741 is about 380.5272942951.

Adding to 55100741 its reverse (14700155), we get a palindrome (69800896).

The spelling of 55100741 in words is "fifty-five million, one hundred thousand, seven hundred forty-one".

Divisors: 1 19 2900039 55100741