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55098208 = 2511157997
BaseRepresentation
bin1101001000101…
…1101101100000
310211200021112101
43102023231200
5103101120313
65244540144
71236220114
oct322135540
9124607471
1055098208
1129113110
1216551654
13b551ab9
147463744
154c855dd
hex348bb60

55098208 has 48 divisors (see below), whose sum is σ = 119209104. Its totient is φ = 24860160.

The previous prime is 55098203. The next prime is 55098221. The reversal of 55098208 is 80289055.

It is a happy number.

It is a super-2 number, since 2×550982082 = 6071625049622528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55098203) 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, 54766 + ... + 55762.

It is an arithmetic number, because the mean of its divisors is an integer number (2483523).

Almost surely, 255098208 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 55098208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59604552).

55098208 is an abundant number, since it is smaller than the sum of its proper divisors (64110896).

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

55098208 is a wasteful number, since it uses less digits than its factorization.

55098208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 55098208 is about 7422.8167160452. The cubic root of 55098208 is about 380.5214632155.

The spelling of 55098208 in words is "fifty-five million, ninety-eight thousand, two hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 157 176 314 352 628 997 1256 1727 1994 2512 3454 3988 5024 6908 7976 10967 13816 15952 21934 27632 31904 43868 55264 87736 156529 175472 313058 350944 626116 1252232 1721819 2504464 3443638 5008928 6887276 13774552 27549104 55098208