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55342101 = 318447367
BaseRepresentation
bin1101001100011…
…1010000010101
310212010200002110
43103013100111
5103131421401
65254101233
71241254143
oct323072025
9125120073
1055342101
112926a381
121664a819
13b608b09
1474c8593
154cd29d6
hex34c7415

55342101 has 4 divisors (see below), whose sum is σ = 73789472. Its totient is φ = 36894732.

The previous prime is 55342097. The next prime is 55342153. The reversal of 55342101 is 10124355.

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 not a de Polignac number, because 55342101 - 22 = 55342097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55340101) 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, 9223681 + ... + 9223686.

It is an arithmetic number, because the mean of its divisors is an integer number (18447368).

Almost surely, 255342101 is an apocalyptic number.

It is an amenable number.

55342101 is a deficient number, since it is larger than the sum of its proper divisors (18447371).

55342101 is a wasteful number, since it uses less digits than its factorization.

55342101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447370.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55342101 is about 7439.2271776039. The cubic root of 55342101 is about 381.0820980280.

Adding to 55342101 its reverse (10124355), we get a palindrome (65466456).

The spelling of 55342101 in words is "fifty-five million, three hundred forty-two thousand, one hundred one".

Divisors: 1 3 18447367 55342101