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55655401 = 831574271
BaseRepresentation
bin1101010001001…
…1101111101001
310212201120212011
43110103233221
5103221433101
65304515521
71244030434
oct324235751
9125646764
1055655401
11294637aa
121677bba1
13b6b85b9
14756a81b
154d45751
hex3513be9

55655401 has 8 divisors (see below), whose sum is σ = 56697984. Its totient is φ = 54621840.

The previous prime is 55655393. The next prime is 55655407. The reversal of 55655401 is 10455655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55655401 - 23 = 55655393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55655407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10896 + ... + 15166.

It is an arithmetic number, because the mean of its divisors is an integer number (7087248).

Almost surely, 255655401 is an apocalyptic number.

It is an amenable number.

55655401 is a deficient number, since it is larger than the sum of its proper divisors (1042583).

55655401 is a wasteful number, since it uses less digits than its factorization.

55655401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 55655401 is about 7460.2547543633. The cubic root of 55655401 is about 381.7998663842.

The spelling of 55655401 in words is "fifty-five million, six hundred fifty-five thousand, four hundred one".

Divisors: 1 83 157 4271 13031 354493 670547 55655401