55754999 has 2 divisors, whose sum is σ = 55755000. Its totient is φ = 55754998.
The previous prime is 55754989. The next prime is 55755017. The reversal of 55754999 is 99945755.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 55754999 - 24 = 55754983 is a prime.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 55754999.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55754969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877499 + 27877500.
It is an arithmetic number, because the mean of its divisors is an integer number (27877500).
Almost surely, 255754999 is an apocalyptic number.
55754999 is a deficient number, since it is larger than the sum of its proper divisors (1).
55754999 is an equidigital number, since it uses as much as digits as its factorization.
55754999 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2551500, while the sum is 53.
The square root of 55754999 is about 7466.9270118302. The cubic root of 55754999 is about 382.0274803655.
The spelling of 55754999 in words is "fifty-five million, seven hundred fifty-four thousand, nine hundred ninety-nine".
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