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55480501 = 374873079
BaseRepresentation
bin1101001110100…
…1000010110101
310212101200221101
43103221002311
5103200334001
65301050101
71242401506
oct323510265
9125350841
1055480501
112935435a
12166b6931
13b656acb
147522bad
154d0da01
hex34e90b5

55480501 has 8 divisors (see below), whose sum is σ = 57115520. Its totient is φ = 53852688.

The previous prime is 55480493. The next prime is 55480507. The reversal of 55480501 is 10508455.

55480501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55480501 - 23 = 55480493 is a prime.

It is a super-2 number, since 2×554805012 = 6156171982422002, which contains 22 as substring.

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 55480501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55480507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16480 + ... + 19558.

It is an arithmetic number, because the mean of its divisors is an integer number (7139440).

Almost surely, 255480501 is an apocalyptic number.

It is an amenable number.

55480501 is a deficient number, since it is larger than the sum of its proper divisors (1635019).

55480501 is a wasteful number, since it uses less digits than its factorization.

55480501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 55480501 is about 7448.5234107171. The cubic root of 55480501 is about 381.3995047082.

Adding to 55480501 its reverse (10508455), we get a palindrome (65988956).

The spelling of 55480501 in words is "fifty-five million, four hundred eighty thousand, five hundred one".

Divisors: 1 37 487 3079 18019 113923 1499473 55480501