552139026731 has 2 divisors, whose sum is σ = 552139026732. Its totient is φ = 552139026730.

The previous prime is 552139026679. The next prime is 552139026871. The reversal of 552139026731 is 137620931255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 552139026731 - 2⁶ = 552139026667 is a prime.

It is a super-2 number, since 2×552139026731² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (552139026331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276069513365 + 276069513366.

It is an arithmetic number, because the mean of its divisors is an integer number (276069513366).

Almost surely, 2^552139026731 is an apocalyptic number.

552139026731 is a deficient number, since it is larger than the sum of its proper divisors (1).

552139026731 is an equidigital number, since it uses as much as digits as its factorization.

552139026731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

Adding to 552139026731 its reverse (137620931255), we get a palindrome (689759957986).

The spelling of 552139026731 in words is "five hundred fifty-two billion, one hundred thirty-nine million, twenty-six thousand, seven hundred thirty-one".