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55394303 = 311786913
BaseRepresentation
bin1101001101001…
…1111111111111
310212020022200212
43103103333333
5103140104203
65255143035
71241562266
oct323237777
9125208625
1055394303
11292a5618
1216674a7b
13b6267c3
1474dd5dd
154ce31d8
hex34d3fff

55394303 has 4 divisors (see below), whose sum is σ = 57181248. Its totient is φ = 53607360.

The previous prime is 55394293. The next prime is 55394309. The reversal of 55394303 is 30349355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30349355 = 56069871.

It is a cyclic number.

It is not a de Polignac number, because 55394303 - 210 = 55393279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55394303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55394309) 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, 893426 + ... + 893487.

It is an arithmetic number, because the mean of its divisors is an integer number (14295312).

Almost surely, 255394303 is an apocalyptic number.

55394303 is a deficient number, since it is larger than the sum of its proper divisors (1786945).

55394303 is a wasteful number, since it uses less digits than its factorization.

55394303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786944.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 55394303 is about 7442.7349139950. The cubic root of 55394303 is about 381.2018802297.

The spelling of 55394303 in words is "fifty-five million, three hundred ninety-four thousand, three hundred three".

Divisors: 1 31 1786913 55394303