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55050713 = 358115373
BaseRepresentation
bin1101001000000…
…0000111011001
310211120212101022
43102000013121
5103043110323
65243532225
71235631464
oct322000731
9124525338
1055050713
1129090463
121652a075
13b5362b3
1474502db
154c764c8
hex34801d9

55050713 has 4 divisors (see below), whose sum is σ = 55069668. Its totient is φ = 55031760.

The previous prime is 55050691. The next prime is 55050739. The reversal of 55050713 is 31705055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21780889 + 33269824 = 4667^2 + 5768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55050713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55050013) 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, 4106 + ... + 11267.

It is an arithmetic number, because the mean of its divisors is an integer number (13767417).

Almost surely, 255050713 is an apocalyptic number.

It is an amenable number.

55050713 is a deficient number, since it is larger than the sum of its proper divisors (18955).

55050713 is a wasteful number, since it uses less digits than its factorization.

55050713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18954.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 55050713 is about 7419.6167690791. The cubic root of 55050713 is about 380.4120944900.

Adding to 55050713 its reverse (31705055), we get a palindrome (86755768).

The spelling of 55050713 in words is "fifty-five million, fifty thousand, seven hundred thirteen".

Divisors: 1 3581 15373 55050713