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55880202277 = 311547328481
BaseRepresentation
bin110100000010101110…
…000011100000100101
312100020101110101201101
4310002232003200211
51403420312433102
641400534400101
74015522611424
oct640256034045
9170211411641
1055880202277
1121775a10059
12a9b6200031
135367082963
1429c16772bb
1516c0c16e87
hexd02b83825

55880202277 has 8 divisors (see below), whose sum is σ = 56162538432. Its totient is φ = 55598524800.

The previous prime is 55880202251. The next prime is 55880202281. The reversal of 55880202277 is 77220208855.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55880202277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55880202227) 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, 5877 + ... + 334357.

It is an arithmetic number, because the mean of its divisors is an integer number (7020317304).

Almost surely, 255880202277 is an apocalyptic number.

It is an amenable number.

55880202277 is a deficient number, since it is larger than the sum of its proper divisors (282336155).

55880202277 is a wasteful number, since it uses less digits than its factorization.

55880202277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329339.

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 55880202277 in words is "fifty-five billion, eight hundred eighty million, two hundred two thousand, two hundred seventy-seven".

Divisors: 1 311 547 170117 328481 102157591 179679107 55880202277