1013443550 has 48 divisors (see below), whose sum is σ = 2164659072. Its totient is φ = 345794400.

The previous prime is 1013443547. The next prime is 1013443567. The reversal of 1013443550 is 553443101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66989 + ... + 80711.

It is an arithmetic number, because the mean of its divisors is an integer number (45097064).

Almost surely, 2^1013443550 is an apocalyptic number.

1013443550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013443550 is an abundant number, since it is smaller than the sum of its proper divisors (1151215522).

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

1013443550 is a wasteful number, since it uses less digits than its factorization.

1013443550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13953 (or 13948 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1013443550 is about 31834.6281586577. The cubic root of 1013443550 is about 1004.4612509760.

Adding to 1013443550 its reverse (553443101), we get a palindrome (1566886651).

The spelling of 1013443550 in words is "one billion, thirteen million, four hundred forty-three thousand, five hundred fifty".