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55065431342460 = 223571147574944111
BaseRepresentation
bin11001000010100111010110…
…11110010111110101111100
321012222012111120212222111010
430201103223132113311330
524204143000410424320
6313040413202355220
714412226502416530
oct1441235336276574
9235865446788433
1055065431342460
1116600133492690
12621407165bb10
132495856569616
14d85276d07bc0
156575a1840ae0
hex3214eb797d7c

55065431342460 has 384 divisors, whose sum is σ = 196356980736000. Its totient is φ = 11196515404800.

The previous prime is 55065431342459. The next prime is 55065431342491. The reversal of 55065431342460 is 6424313456055.

It is a super-2 number, since 2×550654313424602 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1248315805 + ... + 1248359915.

It is an arithmetic number, because the mean of its divisors is an integer number (511346304000).

Almost surely, 255065431342460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55065431342460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98178490368000).

55065431342460 is an abundant number, since it is smaller than the sum of its proper divisors (141291549393540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55065431342460 is a wasteful number, since it uses less digits than its factorization.

55065431342460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49937 (or 49935 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 55065431342460 in words is "fifty-five trillion, sixty-five billion, four hundred thirty-one million, three hundred forty-two thousand, four hundred sixty".