552427391 has 2 divisors, whose sum is σ = 552427392. Its totient is φ = 552427390.

The previous prime is 552427373. The next prime is 552427433. The reversal of 552427391 is 193724255.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552427391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552427591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276213695 + 276213696.

It is an arithmetic number, because the mean of its divisors is an integer number (276213696).

Almost surely, 2^552427391 is an apocalyptic number.

552427391 is a deficient number, since it is larger than the sum of its proper divisors (1).

552427391 is an equidigital number, since it uses as much as digits as its factorization.

552427391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 552427391 is about 23503.7739735558. The cubic root of 552427391 is about 820.5248429623.

The spelling of 552427391 in words is "five hundred fifty-two million, four hundred twenty-seven thousand, three hundred ninety-one".