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55141855 = 531135461
BaseRepresentation
bin1101001001011…
…0010111011111
310211202111101221
43102112113133
5103104014410
65245514211
71236461266
oct322262737
9124674357
1055141855
112914298a
1216572967
13b568922
1474755dd
154c934da
hex34965df

55141855 has 8 divisors (see below), whose sum is σ = 66384864. Its totient is φ = 43970400.

The previous prime is 55141817. The next prime is 55141861. The reversal of 55141855 is 55814155.

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

It is a de Polignac number, because none of the positive numbers 2k-55141855 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 55141855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16176 + ... + 19285.

It is an arithmetic number, because the mean of its divisors is an integer number (8298108).

Almost surely, 255141855 is an apocalyptic number.

55141855 is a deficient number, since it is larger than the sum of its proper divisors (11243009).

55141855 is a wasteful number, since it uses less digits than its factorization.

55141855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35777.

The product of its digits is 20000, while the sum is 34.

The square root of 55141855 is about 7425.7561904496. The cubic root of 55141855 is about 380.6219155850.

The spelling of 55141855 in words is "fifty-five million, one hundred forty-one thousand, eight hundred fifty-five".

Divisors: 1 5 311 1555 35461 177305 11028371 55141855