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55073088 = 2633729157
BaseRepresentation
bin1101001000010…
…1100101000000
310211122000002000
43102011211000
5103044314323
65244224000
71236053640
oct322054500
9124560060
1055073088
11290a6254
121653b000
13b543535
147458520
154c7ce43
hex3485940

55073088 has 224 divisors, whose sum is σ = 192633600. Its totient is φ = 15095808.

The previous prime is 55073087. The next prime is 55073099. The reversal of 55073088 is 88037055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55073087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350706 + ... + 350862.

Almost surely, 255073088 is an apocalyptic number.

55073088 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55073088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96316800).

55073088 is an abundant number, since it is smaller than the sum of its proper divisors (137560512).

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

55073088 is a wasteful number, since it uses less digits than its factorization.

55073088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55073088 is about 7421.1244431016. The cubic root of 55073088 is about 380.4636261732.

The spelling of 55073088 in words is "fifty-five million, seventy-three thousand, eighty-eight".