554640379 has 2 divisors, whose sum is σ = 554640380. Its totient is φ = 554640378.

The previous prime is 554640371. The next prime is 554640403. The reversal of 554640379 is 973046455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554640379 - 2³ = 554640371 is a prime.

It is not a weakly prime, because it can be changed into another prime (554640371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277320189 + 277320190.

It is an arithmetic number, because the mean of its divisors is an integer number (277320190).

Almost surely, 2^554640379 is an apocalyptic number.

554640379 is a deficient number, since it is larger than the sum of its proper divisors (1).

554640379 is an equidigital number, since it uses as much as digits as its factorization.

554640379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 554640379 is about 23550.8042113215. The cubic root of 554640379 is about 821.6190394535.

The spelling of 554640379 in words is "five hundred fifty-four million, six hundred forty thousand, three hundred seventy-nine".