1553214204 has 144 divisors (see below), whose sum is σ = 4425774080. Its totient is φ = 474491520.

The previous prime is 1553214199. The next prime is 1553214209. The reversal of 1553214204 is 4024123551.

1553214204 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1553214199) and next prime (1553214209).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553214209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 571152 + ... + 573864.

Almost surely, 2^1553214204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1553214204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212887040).

1553214204 is an abundant number, since it is smaller than the sum of its proper divisors (2872559876).

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

1553214204 is a wasteful number, since it uses less digits than its factorization.

1553214204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1553214204 is about 39410.8386614647. The cubic root of 1553214204 is about 1158.0939277888.

Adding to 1553214204 its reverse (4024123551), we get a palindrome (5577337755).

The spelling of 1553214204 in words is "one billion, five hundred fifty-three million, two hundred fourteen thousand, two hundred four".