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55121424532 = 22711571236239
BaseRepresentation
bin110011010101011111…
…100011000010010100
312021021111200111022221
4303111133203002110
51400342041041112
641153351232124
73660650243416
oct632537430224
9167244614287
1055121424532
1121416675109
12a824078644
135275b03a45
14294c99c9b6
1516792d3e07
hexcd57e3094

55121424532 has 24 divisors (see below), whose sum is σ = 98444263680. Its totient is φ = 26999437920.

The previous prime is 55121424497. The next prime is 55121424541. The reversal of 55121424532 is 23542412155.

It is a happy number.

55121424532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 573532 + ... + 662707.

It is an arithmetic number, because the mean of its divisors is an integer number (4101844320).

Almost surely, 255121424532 is an apocalyptic number.

It is an amenable number.

55121424532 is a deficient number, since it is larger than the sum of its proper divisors (43322839148).

55121424532 is a wasteful number, since it uses less digits than its factorization.

55121424532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236471 (or 1236469 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 55121424532 its reverse (23542412155), we get a palindrome (78663836687).

The spelling of 55121424532 in words is "fifty-five billion, one hundred twenty-one million, four hundred twenty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 71 142 157 284 314 628 11147 22294 44588 1236239 2472478 4944956 87772969 175545938 194089523 351091876 388179046 776358092 13780356133 27560712266 55121424532