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55896149 = 122945481
BaseRepresentation
bin1101010100111…
…0100001010101
310220011211002202
43111032201111
5103302134044
65314014245
71246052351
oct325164125
9126154082
1055896149
1129608671
1216877385
13b77105a
1475d0461
154d91c4e
hex354e855

55896149 has 4 divisors (see below), whose sum is σ = 55942860. Its totient is φ = 55849440.

The previous prime is 55896133. The next prime is 55896199. The reversal of 55896149 is 94169855.

It is a happy number.

55896149 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.

It can be written as a sum of positive squares in 2 ways, for example, as 28281124 + 27615025 = 5318^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 55896149 - 24 = 55896133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55896109) 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, 21512 + ... + 23969.

It is an arithmetic number, because the mean of its divisors is an integer number (13985715).

Almost surely, 255896149 is an apocalyptic number.

It is an amenable number.

55896149 is a deficient number, since it is larger than the sum of its proper divisors (46711).

55896149 is a wasteful number, since it uses less digits than its factorization.

55896149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46710.

The product of its digits is 388800, while the sum is 47.

The square root of 55896149 is about 7476.3727167658. The cubic root of 55896149 is about 382.3495904275.

The spelling of 55896149 in words is "fifty-five million, eight hundred ninety-six thousand, one hundred forty-nine".

Divisors: 1 1229 45481 55896149