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55401308 = 2213850327
BaseRepresentation
bin1101001101010…
…1101101011100
310212020200022022
43103111231130
5103140320213
65255235312
71241621564
oct323255534
9125220268
1055401308
11292aa906
1216678b38
13b629a51
147501da4
154ce5308
hex34d5b5c

55401308 has 6 divisors (see below), whose sum is σ = 96952296. Its totient is φ = 27700652.

The previous prime is 55401299. The next prime is 55401383. The reversal of 55401308 is 80310455.

It is a super-2 number, since 2×554013082 = 6138609856221728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925160 + ... + 6925167.

It is an arithmetic number, because the mean of its divisors is an integer number (16158716).

Almost surely, 255401308 is an apocalyptic number.

It is an amenable number.

55401308 is a deficient number, since it is larger than the sum of its proper divisors (41550988).

55401308 is a wasteful number, since it uses less digits than its factorization.

55401308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850331 (or 13850329 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 55401308 is about 7443.2054922594. The cubic root of 55401308 is about 381.2179481072.

The spelling of 55401308 in words is "fifty-five million, four hundred one thousand, three hundred eight".

Divisors: 1 2 4 13850327 27700654 55401308