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55880537 = 103953783
BaseRepresentation
bin1101010100101…
…0101101011001
310220011000200112
43111022231121
5103301134122
65313414105
71245656006
oct325125531
9126130615
1055880537
11295a7969
121686a335
13b766c0b
1475c88ad
154d8c2e2
hex354ab59

55880537 has 4 divisors (see below), whose sum is σ = 55935360. Its totient is φ = 55825716.

The previous prime is 55880459. The next prime is 55880543. The reversal of 55880537 is 73508855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55880537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55880494 and 55880503.

It is not an unprimeable number, because it can be changed into a prime (55880567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25853 + ... + 27930.

It is an arithmetic number, because the mean of its divisors is an integer number (13983840).

Almost surely, 255880537 is an apocalyptic number.

It is an amenable number.

55880537 is a deficient number, since it is larger than the sum of its proper divisors (54823).

55880537 is a wasteful number, since it uses less digits than its factorization.

55880537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54822.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 55880537 is about 7475.3285546523. The cubic root of 55880537 is about 382.3139898972.

The spelling of 55880537 in words is "fifty-five million, eight hundred eighty thousand, five hundred thirty-seven".

Divisors: 1 1039 53783 55880537