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55401141 = 318467047
BaseRepresentation
bin1101001101010…
…1101010110101
310212020200002010
43103111222311
5103140314031
65255234433
71241621235
oct323255265
9125220063
1055401141
11292aa774
1216678a19
13b629953
147501cc5
154ce5246
hex34d5ab5

55401141 has 4 divisors (see below), whose sum is σ = 73868192. Its totient is φ = 36934092.

The previous prime is 55401121. The next prime is 55401149. The reversal of 55401141 is 14110455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55401141 - 26 = 55401077 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 (55401149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9233521 + ... + 9233526.

It is an arithmetic number, because the mean of its divisors is an integer number (18467048).

Almost surely, 255401141 is an apocalyptic number.

It is an amenable number.

55401141 is a deficient number, since it is larger than the sum of its proper divisors (18467051).

55401141 is a wasteful number, since it uses less digits than its factorization.

55401141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467050.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 55401141 is about 7443.1942739660. The cubic root of 55401141 is about 381.2175650629.

Adding to 55401141 its reverse (14110455), we get a palindrome (69511596).

The spelling of 55401141 in words is "fifty-five million, four hundred one thousand, one hundred forty-one".

Divisors: 1 3 18467047 55401141