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55830401 = 115075491
BaseRepresentation
bin1101010011111…
…0011110000001
310220001110220122
43110332132001
5103243033101
65312350025
71245356564
oct324763601
9126043818
1055830401
1129573230
1216845315
13b74a153
1475b44db
154d7c51b
hex353e781

55830401 has 4 divisors (see below), whose sum is σ = 60905904. Its totient is φ = 50754900.

The previous prime is 55830371. The next prime is 55830403. The reversal of 55830401 is 10403855.

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 a cyclic number.

It is not a de Polignac number, because 55830401 - 26 = 55830337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55830403) 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, 2537735 + ... + 2537756.

It is an arithmetic number, because the mean of its divisors is an integer number (15226476).

Almost surely, 255830401 is an apocalyptic number.

It is an amenable number.

55830401 is a deficient number, since it is larger than the sum of its proper divisors (5075503).

55830401 is a wasteful number, since it uses less digits than its factorization.

55830401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075502.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 55830401 is about 7471.9743709411. The cubic root of 55830401 is about 382.1996183557.

The spelling of 55830401 in words is "fifty-five million, eight hundred thirty thousand, four hundred one".

Divisors: 1 11 5075491 55830401