Search a number
-
+
55253510 = 2513425027
BaseRepresentation
bin1101001011000…
…1101000000110
310211222011120022
43102301220012
5103121103020
65252135142
71240434644
oct322615006
9124864508
1055253510
1129209864
12166074b2
13b5a76b0
1474a4194
154cb6625
hex34b1a06

55253510 has 16 divisors (see below), whose sum is σ = 107107056. Its totient is φ = 20401248.

The previous prime is 55253503. The next prime is 55253531. The reversal of 55253510 is 1535255.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 55253510.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 212384 + ... + 212643.

It is an arithmetic number, because the mean of its divisors is an integer number (6694191).

Almost surely, 255253510 is an apocalyptic number.

55253510 is a deficient number, since it is larger than the sum of its proper divisors (51853546).

55253510 is a wasteful number, since it uses less digits than its factorization.

55253510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425047.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55253510 is about 7433.2704780601. The cubic root of 55253510 is about 380.8786454785.

Adding to 55253510 its reverse (1535255), we get a palindrome (56788765).

The spelling of 55253510 in words is "fifty-five million, two hundred fifty-three thousand, five hundred ten".

Divisors: 1 2 5 10 13 26 65 130 425027 850054 2125135 4250270 5525351 11050702 27626755 55253510