550479887 has 2 divisors, whose sum is σ = 550479888. Its totient is φ = 550479886.

The previous prime is 550479883. The next prime is 550479901. The reversal of 550479887 is 788974055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550479887 - 2² = 550479883 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 (550479883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275239943 + 275239944.

It is an arithmetic number, because the mean of its divisors is an integer number (275239944).

Almost surely, 2^550479887 is an apocalyptic number.

550479887 is a deficient number, since it is larger than the sum of its proper divisors (1).

550479887 is an equidigital number, since it uses as much as digits as its factorization.

550479887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 550479887 is about 23462.3077935654. The cubic root of 550479887 is about 819.5594932242.

The spelling of 550479887 in words is "five hundred fifty million, four hundred seventy-nine thousand, eight hundred eighty-seven".