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55368593 = 77909799
BaseRepresentation
bin1101001100110…
…1101110010001
310212012000102122
43103031232101
5103133243333
65254424025
71241424320
oct323155621
9125160378
1055368593
1129288275
1216662015
13b617ba7
1474d40b7
154cda798
hex34cdb91

55368593 has 4 divisors (see below), whose sum is σ = 63278400. Its totient is φ = 47458788.

The previous prime is 55368589. The next prime is 55368617. The reversal of 55368593 is 39586355.

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: 39586355 = 57917271.

It is a cyclic number.

It is not a de Polignac number, because 55368593 - 22 = 55368589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55368583) 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, 3954893 + ... + 3954906.

It is an arithmetic number, because the mean of its divisors is an integer number (15819600).

Almost surely, 255368593 is an apocalyptic number.

It is an amenable number.

55368593 is a deficient number, since it is larger than the sum of its proper divisors (7909807).

55368593 is an equidigital number, since it uses as much as digits as its factorization.

55368593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909806.

The product of its digits is 486000, while the sum is 44.

The square root of 55368593 is about 7441.0075258664. The cubic root of 55368593 is about 381.1428957226.

The spelling of 55368593 in words is "fifty-five million, three hundred sixty-eight thousand, five hundred ninety-three".

Divisors: 1 7 7909799 55368593