Search a number
-
+
55158332107 = 177145698701
BaseRepresentation
bin110011010111101100…
…010101101011001011
312021101002010121000011
4303113230111223023
51400431013111412
641201150252351
73661606041604
oct632754255313
9167332117004
1055158332107
112143549333a
12a8344b70b7
135280656b48
142953848dab
15167c6747a7
hexcd7b15acb

55158332107 has 8 divisors (see below), whose sum is σ = 59225517792. Its totient is φ = 51182544000.

The previous prime is 55158332101. The next prime is 55158332167. The reversal of 55158332107 is 70123385155.

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-55158332107 is a prime.

It is a super-2 number, since 2×551583321072 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55158332107.

It is not an unprimeable number, because it can be changed into a prime (55158332101) 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, 22848144 + ... + 22850557.

It is an arithmetic number, because the mean of its divisors is an integer number (7403189724).

Almost surely, 255158332107 is an apocalyptic number.

55158332107 is a deficient number, since it is larger than the sum of its proper divisors (4067185685).

55158332107 is a wasteful number, since it uses less digits than its factorization.

55158332107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45698789.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 55158332107 in words is "fifty-five billion, one hundred fifty-eight million, three hundred thirty-two thousand, one hundred seven".

Divisors: 1 17 71 1207 45698701 776877917 3244607771 55158332107