Search a number
-
+
55251453404 = 2272229188523
BaseRepresentation
bin110011011101001111…
…100100010111011100
312021121120100122102002
4303131033210113130
51401123333002104
641214314221432
73664116414350
oct633517442734
9167546318362
1055251453404
1121483006794
12a85b724878
135296a2c6c4
142961d69460
15168591b01e
hexcdd3e45dc

55251453404 has 24 divisors (see below), whose sum is σ = 110509112448. Its totient is φ = 23677864560.

The previous prime is 55251453379. The next prime is 55251453431. The reversal of 55251453404 is 40435415255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579887 + ... + 668409.

It is an arithmetic number, because the mean of its divisors is an integer number (4604546352).

Almost surely, 255251453404 is an apocalyptic number.

It is an amenable number.

55251453404 is an abundant number, since it is smaller than the sum of its proper divisors (55257659044).

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

55251453404 is a wasteful number, since it uses less digits than its factorization.

55251453404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110825 (or 110823 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 55251453404 its reverse (40435415255), we get a palindrome (95686868659).

The spelling of 55251453404 in words is "fifty-five billion, two hundred fifty-one million, four hundred fifty-three thousand, four hundred four".

Divisors: 1 2 4 7 14 28 22291 44582 88523 89164 156037 177046 312074 354092 619661 624148 1239322 2478644 1973266193 3946532386 7893064772 13812863351 27625726702 55251453404