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5505500431 = 6254988019
BaseRepresentation
bin1010010000010011…
…10100010100001111
3112012200120101210101
411020021310110033
542233402003211
62310145551531
7253300660444
oct51011642417
915180511711
105505500431
112375790a62
1210979455a7
136997bb482
143a32899cb
152235095c1
hex14827450f

5505500431 has 4 divisors (see below), whose sum is σ = 5505651000. Its totient is φ = 5505349864.

The previous prime is 5505500417. The next prime is 5505500449. The reversal of 5505500431 is 1340055055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5505500431 is a prime.

It is a super-2 number, since 2×55055004312 = 60621069991482371522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5505500431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505500461) 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, 18540 + ... + 106558.

It is an arithmetic number, because the mean of its divisors is an integer number (1376412750).

Almost surely, 25505500431 is an apocalyptic number.

5505500431 is a deficient number, since it is larger than the sum of its proper divisors (150569).

5505500431 is an equidigital number, since it uses as much as digits as its factorization.

5505500431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150568.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 5505500431 is about 74199.0595021258. The cubic root of 5505500431 is about 1765.7624091085.

Adding to 5505500431 its reverse (1340055055), we get a palindrome (6845555486).

The spelling of 5505500431 in words is "five billion, five hundred five million, five hundred thousand, four hundred thirty-one".

Divisors: 1 62549 88019 5505500431