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55625053 = 115056823
BaseRepresentation
bin1101010000110…
…0010101011101
310212200001020011
43110030111131
5103220000203
65304123221
71243543111
oct324142535
9125601204
1055625053
1129442a20
1216766511
13b6a7843
14755d741
154d3b76d
hex350c55d

55625053 has 4 divisors (see below), whose sum is σ = 60681888. Its totient is φ = 50568220.

The previous prime is 55625033. The next prime is 55625057. The reversal of 55625053 is 35052655.

55625053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55625053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55625057) 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 3 ways as a sum of consecutive naturals, for example, 2528401 + ... + 2528422.

It is an arithmetic number, because the mean of its divisors is an integer number (15170472).

Almost surely, 255625053 is an apocalyptic number.

It is an amenable number.

55625053 is a deficient number, since it is larger than the sum of its proper divisors (5056835).

55625053 is a wasteful number, since it uses less digits than its factorization.

55625053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056834.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 55625053 is about 7458.2204982154. The cubic root of 55625053 is about 381.7304573133.

The spelling of 55625053 in words is "fifty-five million, six hundred twenty-five thousand, fifty-three".

Divisors: 1 11 5056823 55625053