1553055344 has 20 divisors (see below), whose sum is σ = 3016239240. Its totient is φ = 774671040.

The previous prime is 1553055337. The next prime is 1553055347. The reversal of 1553055344 is 4435503551.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553055347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109127 + ... + 122534.

It is an arithmetic number, because the mean of its divisors is an integer number (150811962).

Almost surely, 2^1553055344 is an apocalyptic number.

It is an amenable number.

1553055344 is a deficient number, since it is larger than the sum of its proper divisors (1463183896).

1553055344 is a wasteful number, since it uses less digits than its factorization.

1553055344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232088 (or 232082 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 1553055344 is about 39408.8231745126. The cubic root of 1553055344 is about 1158.0544438435.

Adding to 1553055344 its reverse (4435503551), we get a palindrome (5988558895).

The spelling of 1553055344 in words is "one billion, five hundred fifty-three million, fifty-five thousand, three hundred forty-four".