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55411330 = 25131725073
BaseRepresentation
bin1101001101100…
…0001010000010
310212021012001111
43103120022002
5103141130310
65255353534
71241663032
oct323301202
9125235044
1055411330
1129307397
12166828aa
13b631490
1475058c2
154ce828a
hex34d8282

55411330 has 32 divisors (see below), whose sum is σ = 113735664. Its totient is φ = 19255296.

The previous prime is 55411319. The next prime is 55411331. The reversal of 55411330 is 3311455.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18481401 + 36929929 = 4299^2 + 6077^2 .

It is not an unprimeable number, because it can be changed into a prime (55411331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10327 + ... + 14746.

Almost surely, 255411330 is an apocalyptic number.

55411330 is an abundant number, since it is smaller than the sum of its proper divisors (58324334).

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

55411330 is a wasteful number, since it uses less digits than its factorization.

55411330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25110.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55411330 is about 7443.8786932620. The cubic root of 55411330 is about 381.2409339419.

Adding to 55411330 its reverse (3311455), we get a palindrome (58722785).

The spelling of 55411330 in words is "fifty-five million, four hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 25073 50146 125365 250730 325949 426241 651898 852482 1629745 2131205 3259490 4262410 5541133 11082266 27705665 55411330