1552003641 has 6 divisors (see below), whose sum is σ = 2241783050. Its totient is φ = 1034669088.

The previous prime is 1552003573. The next prime is 1552003667. The reversal of 1552003641 is 1463002551.

1552003641 is a `hidden beast` number, since 15 + 5 + 2 + 0 + 0 + 3 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1204367616 + 347636025 = 34704^2 + 18645^2 .

It is not a de Polignac number, because 1552003641 - 2¹⁴ = 1551987257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552003441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86222416 + ... + 86222433.

Almost surely, 2^1552003641 is an apocalyptic number.

It is an amenable number.

1552003641 is a deficient number, since it is larger than the sum of its proper divisors (689779409).

1552003641 is a wasteful number, since it uses less digits than its factorization.

1552003641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172444855 (or 172444852 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1552003641 is about 39395.4774180997. The cubic root of 1552003641 is about 1157.7929798072.

The spelling of 1552003641 in words is "one billion, five hundred fifty-two million, three thousand, six hundred forty-one".