52480991 has 2 divisors, whose sum is σ = 52480992. Its totient is φ = 52480990.

The previous prime is 52480973. The next prime is 52481003. The reversal of 52480991 is 19908425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52480991 - 2⁶ = 52480927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52480951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26240495 + 26240496.

It is an arithmetic number, because the mean of its divisors is an integer number (26240496).

Almost surely, 2^52480991 is an apocalyptic number.

52480991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52480991 is an equidigital number, since it uses as much as digits as its factorization.

52480991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 52480991 is about 7244.3765087135. The cubic root of 52480991 is about 374.3984215324.

The spelling of 52480991 in words is "fifty-two million, four hundred eighty thousand, nine hundred ninety-one".