1553200044 has 36 divisors (see below), whose sum is σ = 3983555352. Its totient is φ = 470666240.

The previous prime is 1553200003. The next prime is 1553200063. The reversal of 1553200044 is 4400023551.

It is a junction number, because it is equal to n+sod(n) for n = 1553199987 and 1553200023.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533397 + ... + 536300.

Almost surely, 2^1553200044 is an apocalyptic number.

It is an amenable number.

1553200044 is an abundant number, since it is smaller than the sum of its proper divisors (2430355308).

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

1553200044 is a wasteful number, since it uses less digits than its factorization.

1553200044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069726 (or 1069713 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1553200044 is about 39410.6590150431. The cubic root of 1553200044 is about 1158.0904084932.

Adding to 1553200044 its reverse (4400023551), we get a palindrome (5953223595).

The spelling of 1553200044 in words is "one billion, five hundred fifty-three million, two hundred thousand, forty-four".