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55083101 = 72077643
BaseRepresentation
bin1101001000100…
…0000001011101
310211122111210212
43102020001131
5103100124401
65244342205
71236125063
oct322100135
9124574725
1055083101
1129102827
1216544965
13b547c68
14745c033
154c80dbb
hex348805d

55083101 has 4 divisors (see below), whose sum is σ = 55097952. Its totient is φ = 55068252.

The previous prime is 55083089. The next prime is 55083103. The reversal of 55083101 is 10138055.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55083101 - 26 = 55083037 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 (55083103) 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, 3386 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (13774488).

Almost surely, 255083101 is an apocalyptic number.

It is an amenable number.

55083101 is a deficient number, since it is larger than the sum of its proper divisors (14851).

55083101 is an equidigital number, since it uses as much as digits as its factorization.

55083101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14850.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 55083101 is about 7421.7990406639. The cubic root of 55083101 is about 380.4866825126.

The spelling of 55083101 in words is "fifty-five million, eighty-three thousand, one hundred one".

Divisors: 1 7207 7643 55083101