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5425553 = 7775079
BaseRepresentation
bin10100101100100110010001
3101012122110102
4110230212101
52342104203
6312142145
764054640
oct24544621
911178412
105425553
113076331
121997955
13117c6b3
14a13357
15722888
hex52c991

5425553 has 4 divisors (see below), whose sum is σ = 6200640. Its totient is φ = 4650468.

The previous prime is 5425549. The next prime is 5425559. The reversal of 5425553 is 3555245.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 3555245 = 5711049.

It is a cyclic number.

It is not a de Polignac number, because 5425553 - 22 = 5425549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5425559) 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, 387533 + ... + 387546.

It is an arithmetic number, because the mean of its divisors is an integer number (1550160).

Almost surely, 25425553 is an apocalyptic number.

It is an amenable number.

5425553 is a deficient number, since it is larger than the sum of its proper divisors (775087).

5425553 is an equidigital number, since it uses as much as digits as its factorization.

5425553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775086.

The product of its digits is 15000, while the sum is 29.

The square root of 5425553 is about 2329.2816489210. The cubic root of 5425553 is about 175.7173601406.

It can be divided in two parts, 5425 and 553, that multiplied together give a triangular number (3000025 = T2449).

The spelling of 5425553 in words is "five million, four hundred twenty-five thousand, five hundred fifty-three".

Divisors: 1 7 775079 5425553