550101501 has 12 divisors (see below), whose sum is σ = 805476828. Its totient is φ = 361710144.

The previous prime is 550101499. The next prime is 550101523. The reversal of 550101501 is 105101055.

It can be written as a sum of positive squares in 2 ways, for example, as 321305625 + 228795876 = 17925^2 + 15126^2 .

It is not a de Polignac number, because 550101501 - 2¹ = 550101499 is a prime.

It is a super-2 number, since 2×550101501² = 605223322804906002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550101571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417990 + ... + 419303.

It is an arithmetic number, because the mean of its divisors is an integer number (67123069).

Almost surely, 2^550101501 is an apocalyptic number.

It is an amenable number.

550101501 is a deficient number, since it is larger than the sum of its proper divisors (255375327).

550101501 is a wasteful number, since it uses less digits than its factorization.

550101501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837372 (or 837369 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 550101501 is about 23454.2427078770. The cubic root of 550101501 is about 819.3716686692.

Adding to 550101501 its reverse (105101055), we get a palindrome (655202556).

The spelling of 550101501 in words is "five hundred fifty million, one hundred one thousand, five hundred one".