Search a number
-
+
55510663 = 135380567
BaseRepresentation
bin1101001111000…
…0011010000111
310212110020022111
43103300122013
5103202320123
65301441451
71242555445
oct323603207
9125406274
1055510663
1129374a8a
1216710287
13b667760
14752db95
154d1790d
hex34f0687

55510663 has 8 divisors (see below), whose sum is σ = 60909408. Its totient is φ = 50273184.

The previous prime is 55510657. The next prime is 55510673. The reversal of 55510663 is 36601555.

55510663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55510663 - 213 = 55502471 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 (55510603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39595 + ... + 40972.

It is an arithmetic number, because the mean of its divisors is an integer number (7613676).

Almost surely, 255510663 is an apocalyptic number.

55510663 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55510663 is a deficient number, since it is larger than the sum of its proper divisors (5398745).

55510663 is a wasteful number, since it uses less digits than its factorization.

55510663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80633.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55510663 is about 7450.5478322067. The cubic root of 55510663 is about 381.4686081927.

The spelling of 55510663 in words is "fifty-five million, five hundred ten thousand, six hundred sixty-three".

Divisors: 1 13 53 689 80567 1047371 4270051 55510663