550377545 has 4 divisors (see below), whose sum is σ = 660453060. Its totient is φ = 440302032.

The previous prime is 550377523. The next prime is 550377593. The reversal of 550377545 is 545773055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545773055 = 5 ⋅109154611.

It can be written as a sum of positive squares in 2 ways, for example, as 344770624 + 205606921 = 18568^2 + 14339^2 .

It is a cyclic number.

It is not a de Polignac number, because 550377545 - 2¹² = 550373449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55037750 + ... + 55037759.

It is an arithmetic number, because the mean of its divisors is an integer number (165113265).

Almost surely, 2^550377545 is an apocalyptic number.

It is an amenable number.

550377545 is a deficient number, since it is larger than the sum of its proper divisors (110075515).

550377545 is a wasteful number, since it uses less digits than its factorization.

550377545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110075514.

The product of its (nonzero) digits is 367500, while the sum is 41.

The square root of 550377545 is about 23460.1267046877. The cubic root of 550377545 is about 819.5087008410.

The spelling of 550377545 in words is "five hundred fifty million, three hundred seventy-seven thousand, five hundred forty-five".