1555425152 has 32 divisors (see below), whose sum is σ = 3105135000. Its totient is φ = 776097280.

The previous prime is 1555425133. The next prime is 1555425161. The reversal of 1555425152 is 2515245551.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×1555425152³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50474 + ... + 75222.

Almost surely, 2^1555425152 is an apocalyptic number.

It is an amenable number.

1555425152 is a deficient number, since it is larger than the sum of its proper divisors (1549709848).

1555425152 is an equidigital number, since it uses as much as digits as its factorization.

1555425152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25254 (or 25242 counting only the distinct ones).

The product of its digits is 50000, while the sum is 35.

The square root of 1555425152 is about 39438.8786858856. The cubic root of 1555425152 is about 1158.6431698026.

The spelling of 1555425152 in words is "one billion, five hundred fifty-five million, four hundred twenty-five thousand, one hundred fifty-two".