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55232155801 = 425912968339
BaseRepresentation
bin110011011100000101…
…111101000010011001
312021120020001020002001
4303130011331002121
51401103412441201
641212344441001
73663463402204
oct633405750231
9167506036061
1055232155801
1121473126159
12a855179161
135292a33bc4
14295d58493b
151683da8301
hexcdc17d099

55232155801 has 4 divisors (see below), whose sum is σ = 55245128400. Its totient is φ = 55219183204.

The previous prime is 55232155799. The next prime is 55232155819. The reversal of 55232155801 is 10855123255.

55232155801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55232155801 - 21 = 55232155799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55232155841) 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, 6479911 + ... + 6488428.

It is an arithmetic number, because the mean of its divisors is an integer number (13811282100).

Almost surely, 255232155801 is an apocalyptic number.

It is an amenable number.

55232155801 is a deficient number, since it is larger than the sum of its proper divisors (12972599).

55232155801 is a wasteful number, since it uses less digits than its factorization.

55232155801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972598.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 55232155801 in words is "fifty-five billion, two hundred thirty-two million, one hundred fifty-five thousand, eight hundred one".

Divisors: 1 4259 12968339 55232155801