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55480846 = 227740423
BaseRepresentation
bin1101001110100…
…1001000001110
310212101201102011
43103221020032
5103200341341
65301051434
71242402511
oct323511016
9125351364
1055480846
1129354643
12166b6b7a
13b657005
147522d78
154d0db81
hex34e920e

55480846 has 4 divisors (see below), whose sum is σ = 83221272. Its totient is φ = 27740422.

The previous prime is 55480837. The next prime is 55480849. The reversal of 55480846 is 64808455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64808455 = 512961691.

It is a junction number, because it is equal to n+sod(n) for n = 55480799 and 55480808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55480849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13870210 + ... + 13870213.

It is an arithmetic number, because the mean of its divisors is an integer number (20805318).

Almost surely, 255480846 is an apocalyptic number.

55480846 is a deficient number, since it is larger than the sum of its proper divisors (27740426).

55480846 is a wasteful number, since it uses less digits than its factorization.

55480846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27740425.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 55480846 is about 7448.5465696336. The cubic root of 55480846 is about 381.4002952716.

The spelling of 55480846 in words is "fifty-five million, four hundred eighty thousand, eight hundred forty-six".

Divisors: 1 2 27740423 55480846