1555655152 has 40 divisors (see below), whose sum is σ = 3091543200. Its totient is φ = 758035200.

The previous prime is 1555655147. The next prime is 1555655177. The reversal of 1555655152 is 2515565551.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121974 + ... + 134122.

It is an arithmetic number, because the mean of its divisors is an integer number (77288580).

Almost surely, 2^1555655152 is an apocalyptic number.

It is an amenable number.

1555655152 is a deficient number, since it is larger than the sum of its proper divisors (1535888048).

1555655152 is a wasteful number, since it uses less digits than its factorization.

1555655152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12361 (or 12355 counting only the distinct ones).

The product of its digits is 187500, while the sum is 40.

The square root of 1555655152 is about 39441.7944825029. The cubic root of 1555655152 is about 1158.7002763316.

The spelling of 1555655152 in words is "one billion, five hundred fifty-five million, six hundred fifty-five thousand, one hundred fifty-two".