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55342142455 = 5307331108923
BaseRepresentation
bin110011100010101001…
…100001001111110111
312021211220000010101211
4303202221201033313
51401320042024310
641231314102251
73666300310045
oct634251411767
9167756003354
1055342142455
112151a218816
12a885b7a987
1352ac763172
142970015395
15168d881c8a
hexce2a613f7

55342142455 has 16 divisors (see below), whose sum is σ = 66828795264. Its totient is φ = 43995774240.

The previous prime is 55342142437. The next prime is 55342142477. The reversal of 55342142455 is 55424124355.

It is not a de Polignac number, because 55342142455 - 217 = 55342011383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453624 + ... + 562546.

It is an arithmetic number, because the mean of its divisors is an integer number (4176799704).

Almost surely, 255342142455 is an apocalyptic number.

55342142455 is a deficient number, since it is larger than the sum of its proper divisors (11486652809).

55342142455 is a wasteful number, since it uses less digits than its factorization.

55342142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109566.

The product of its digits is 480000, while the sum is 40.

The spelling of 55342142455 in words is "fifty-five billion, three hundred forty-two million, one hundred forty-two thousand, four hundred fifty-five".

Divisors: 1 5 307 331 1535 1655 101617 108923 508085 544615 33439361 36053513 167196805 180267565 11068428491 55342142455