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55098291 = 337496381
BaseRepresentation
bin1101001000101…
…1101110110011
310211200021122110
43102023232303
5103101121131
65244540403
71236220263
oct322135663
9124607573
1055098291
1129113186
1216551703
13b551b51
1474637a3
154c85646
hex348bbb3

55098291 has 8 divisors (see below), whose sum is σ = 75450064. Its totient is φ = 35739360.

The previous prime is 55098287. The next prime is 55098299. The reversal of 55098291 is 19289055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55098291 - 22 = 55098287 is a prime.

It is a super-2 number, since 2×550982912 = 6071643342241362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55098299) 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, 248080 + ... + 248301.

It is an arithmetic number, because the mean of its divisors is an integer number (9431258).

Almost surely, 255098291 is an apocalyptic number.

55098291 is a deficient number, since it is larger than the sum of its proper divisors (20351773).

55098291 is a wasteful number, since it uses less digits than its factorization.

55098291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496421.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 55098291 is about 7422.8223069126. The cubic root of 55098291 is about 380.5216542881.

The spelling of 55098291 in words is "fifty-five million, ninety-eight thousand, two hundred ninety-one".

Divisors: 1 3 37 111 496381 1489143 18366097 55098291