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55579763 = 131424273
BaseRepresentation
bin1101010000000…
…1010001110011
310212120202002202
43110001101303
5103212023023
65303133415
71243264061
oct324012163
9125522082
1055579763
1129411998
121674426b
13b690045
14754b031
154d2d128
hex3501473

55579763 has 4 divisors (see below), whose sum is σ = 56004168. Its totient is φ = 55155360.

The previous prime is 55579757. The next prime is 55579793. The reversal of 55579763 is 36797555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36797555 = 57359511.

It is a cyclic number.

It is not a de Polignac number, because 55579763 - 28 = 55579507 is a prime.

It is a super-2 number, since 2×555797632 = 6178220110272338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55579703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212006 + ... + 212267.

It is an arithmetic number, because the mean of its divisors is an integer number (14001042).

Almost surely, 255579763 is an apocalyptic number.

55579763 is a deficient number, since it is larger than the sum of its proper divisors (424405).

55579763 is a wasteful number, since it uses less digits than its factorization.

55579763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424404.

The product of its digits is 992250, while the sum is 47.

The square root of 55579763 is about 7455.1836328826. The cubic root of 55579763 is about 381.6268273496.

The spelling of 55579763 in words is "fifty-five million, five hundred seventy-nine thousand, seven hundred sixty-three".

Divisors: 1 131 424273 55579763