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55035131 = 106151871
BaseRepresentation
bin1101000111110…
…0010011111011
310211120002000012
43101330103323
5103042111011
65243332135
71235535164
oct321742373
9124502005
1055035131
112907a788
121652104b
13b52c188
14744876b
154c71a8b
hex347c4fb

55035131 has 4 divisors (see below), whose sum is σ = 55088064. Its totient is φ = 54982200.

The previous prime is 55035119. The next prime is 55035143. The reversal of 55035131 is 13153055.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55035119) and next prime (55035143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55035131 is a prime.

It is a super-2 number, since 2×550351312 = 6057731288374322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55035097 and 55035106.

It is not an unprimeable number, because it can be changed into a prime (55035151) 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, 24875 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (13772016).

Almost surely, 255035131 is an apocalyptic number.

55035131 is a deficient number, since it is larger than the sum of its proper divisors (52933).

55035131 is a wasteful number, since it uses less digits than its factorization.

55035131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52932.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 55035131 is about 7418.5666405310. The cubic root of 55035131 is about 380.3761994623.

Adding to 55035131 its reverse (13153055), we get a palindrome (68188186).

The spelling of 55035131 in words is "fifty-five million, thirty-five thousand, one hundred thirty-one".

Divisors: 1 1061 51871 55035131