57480989 has 2 divisors, whose sum is σ = 57480990. Its totient is φ = 57480988.

The previous prime is 57480977. The next prime is 57481001. The reversal of 57480989 is 98908475.

It is a balanced prime because it is at equal distance from previous prime (57480977) and next prime (57481001).

It can be written as a sum of positive squares in only one way, i.e., 44448889 + 13032100 = 6667^2 + 3610^2 .

It is a cyclic number.

It is not a de Polignac number, because 57480989 - 2¹² = 57476893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57480919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740494 + 28740495.

It is an arithmetic number, because the mean of its divisors is an integer number (28740495).

Almost surely, 2^57480989 is an apocalyptic number.

It is an amenable number.

57480989 is a deficient number, since it is larger than the sum of its proper divisors (1).

57480989 is an equidigital number, since it uses as much as digits as its factorization.

57480989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 57480989 is about 7581.6217922025. The cubic root of 57480989 is about 385.9295892941.

The spelling of 57480989 in words is "fifty-seven million, four hundred eighty thousand, nine hundred eighty-nine".