1552954389 has 16 divisors (see below), whose sum is σ = 2375147520. Its totient is φ = 884124720.

The previous prime is 1552954357. The next prime is 1552954421. The reversal of 1552954389 is 9834592551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1552954357) and next prime (1552954421).

It is not a de Polignac number, because 1552954389 - 2⁵ = 1552954357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552954339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130749 + ... + 142130.

It is an arithmetic number, because the mean of its divisors is an integer number (148446720).

Almost surely, 2^1552954389 is an apocalyptic number.

It is an amenable number.

1552954389 is a deficient number, since it is larger than the sum of its proper divisors (822193131).

1552954389 is a wasteful number, since it uses less digits than its factorization.

1552954389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273160.

The product of its digits is 1944000, while the sum is 51.

The square root of 1552954389 is about 39407.5422857097. The cubic root of 1552954389 is about 1158.0293505287.

The spelling of 1552954389 in words is "one billion, five hundred fifty-two million, nine hundred fifty-four thousand, three hundred eighty-nine".