Search a number
-
+
55254525522 = 2372187940563
BaseRepresentation
bin110011011101011011…
…010010011001010010
312021121210010201120020
4303131123102121102
51401130124304042
641214504124310
73664154501100
oct633533223122
9167553121506
1055254525522
1121484814929
12a860766696
135297566b21
142962528c70
151685d263ec
hexcdd6d2652

55254525522 has 24 divisors (see below), whose sum is σ = 128551345776. Its totient is φ = 15787007208.

The previous prime is 55254525517. The next prime is 55254525523. The reversal of 55254525522 is 22552545255.

It is a super-2 number, since 2×552545255222 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (55254525523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93969988 + ... + 93970575.

It is an arithmetic number, because the mean of its divisors is an integer number (5356306074).

Almost surely, 255254525522 is an apocalyptic number.

55254525522 is an abundant number, since it is smaller than the sum of its proper divisors (73296820254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55254525522 is a wasteful number, since it uses less digits than its factorization.

55254525522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187940582 (or 187940575 counting only the distinct ones).

The product of its digits is 1000000, while the sum is 42.

The spelling of 55254525522 in words is "fifty-five billion, two hundred fifty-four million, five hundred twenty-five thousand, five hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 187940563 375881126 563821689 1127643378 1315583941 2631167882 3946751823 7893503646 9209087587 18418175174 27627262761 55254525522