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55481723 = 1131162703
BaseRepresentation
bin1101001110100…
…1010101111011
310212101202121122
43103221111323
5103200403343
65301055455
71242405203
oct323512573
9125352548
1055481723
1129355270
12166b758b
13b65752b
147523403
154d0e068
hex34e957b

55481723 has 8 divisors (see below), whose sum is σ = 62478336. Its totient is φ = 48810600.

The previous prime is 55481719. The next prime is 55481737. The reversal of 55481723 is 32718455.

It is a happy number.

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 55481723 - 22 = 55481719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55481123) 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, 81011 + ... + 81692.

It is an arithmetic number, because the mean of its divisors is an integer number (7809792).

Almost surely, 255481723 is an apocalyptic number.

55481723 is a deficient number, since it is larger than the sum of its proper divisors (6996613).

55481723 is a wasteful number, since it uses less digits than its factorization.

55481723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162745.

The product of its digits is 33600, while the sum is 35.

The square root of 55481723 is about 7448.6054399465. The cubic root of 55481723 is about 381.4023048919.

The spelling of 55481723 in words is "fifty-five million, four hundred eighty-one thousand, seven hundred twenty-three".

Divisors: 1 11 31 341 162703 1789733 5043793 55481723