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55515341 = 725730859
BaseRepresentation
bin1101001111000…
…1100011001101
310212110110201202
43103301203031
5103202442331
65301515245
71242605210
oct323614315
9125413652
1055515341
1129378552
1216712b25
13b66991b
147531777
154d18ecb
hex34f18cd

55515341 has 8 divisors (see below), whose sum is σ = 63695040. Its totient is φ = 47397888.

The previous prime is 55515293. The next prime is 55515373. The reversal of 55515341 is 14351555.

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

It is a cyclic number.

It is not a de Polignac number, because 55515341 - 210 = 55514317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55515041) 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, 13631 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (7961880).

Almost surely, 255515341 is an apocalyptic number.

It is an amenable number.

55515341 is a deficient number, since it is larger than the sum of its proper divisors (8179699).

55515341 is a wasteful number, since it uses less digits than its factorization.

55515341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31123.

The product of its digits is 7500, while the sum is 29.

The square root of 55515341 is about 7450.8617622393. The cubic root of 55515341 is about 381.4793236116.

Adding to 55515341 its reverse (14351555), we get a palindrome (69866896).

The spelling of 55515341 in words is "fifty-five million, five hundred fifteen thousand, three hundred forty-one".

Divisors: 1 7 257 1799 30859 216013 7930763 55515341