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55696006968 = 23371743253199
BaseRepresentation
bin110011110111101111…
…011001111100111000
312022202112212022020220
4303313233121330320
51403031134210333
641330354420040
74011125151030
oct636757317470
9168675768226
1055696006968
1121690a42428
12a964591620
135337b70354
1429a500a8c0
1516ae9808b3
hexcf7bd9f38

55696006968 has 384 divisors, whose sum is σ = 176639616000. Its totient is φ = 14280634368.

The previous prime is 55696006967. The next prime is 55696006981. The reversal of 55696006968 is 86960069655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55696006963) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 279879333 + ... + 279879531.

It is an arithmetic number, because the mean of its divisors is an integer number (459999000).

Almost surely, 255696006968 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 55696006968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88319808000).

55696006968 is an abundant number, since it is smaller than the sum of its proper divisors (120943609032).

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

55696006968 is a wasteful number, since it uses less digits than its factorization.

55696006968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 55696006968 in words is "fifty-five billion, six hundred ninety-six million, six thousand, nine hundred sixty-eight".