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55979353 = 231124223
BaseRepresentation
bin1101010110001…
…0110101011001
310220100001020101
43111202311121
5103312314403
65315455401
71246550053
oct325426531
9126301211
1055979353
1129665131
12168b7561
13b79cba1
1476128d3
154dab71d
hex3562d59

55979353 has 4 divisors (see below), whose sum is σ = 56005888. Its totient is φ = 55952820.

The previous prime is 55979333. The next prime is 55979359. The reversal of 55979353 is 35397955.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35397955 = 57079591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55979353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55979359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9801 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (14001472).

Almost surely, 255979353 is an apocalyptic number.

It is an amenable number.

55979353 is a deficient number, since it is larger than the sum of its proper divisors (26535).

55979353 is a wasteful number, since it uses less digits than its factorization.

55979353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26534.

The product of its digits is 637875, while the sum is 46.

The square root of 55979353 is about 7481.9351106515. The cubic root of 55979353 is about 382.5392113817.

The spelling of 55979353 in words is "fifty-five million, nine hundred seventy-nine thousand, three hundred fifty-three".

Divisors: 1 2311 24223 55979353