501141550 has 96 divisors (see below), whose sum is σ = 1161925632. Its totient is φ = 156574080.

The previous prime is 501141541. The next prime is 501141551. The reversal of 501141550 is 55141105.

It is a happy number.

It is a super-2 number, since 2×501141550² = 502285706272805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501141551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376987 + ... + 378313.

It is an arithmetic number, because the mean of its divisors is an integer number (12103392).

Almost surely, 2^501141550 is an apocalyptic number.

501141550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

501141550 is an abundant number, since it is smaller than the sum of its proper divisors (660784082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501141550 is a wasteful number, since it uses less digits than its factorization.

501141550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 501141550 is about 22386.1910560953. The cubic root of 501141550 is about 794.3040994343.

Adding to 501141550 its reverse (55141105), we get a palindrome (556282655).

The spelling of 501141550 in words is "five hundred one million, one hundred forty-one thousand, five hundred fifty".