1552155272 has 8 divisors (see below), whose sum is σ = 2910291150. Its totient is φ = 776077632.

The previous prime is 1552155271. The next prime is 1552155287. The reversal of 1552155272 is 2725512551.

It can be written as a sum of positive squares in only one way, i.e., 832091716 + 720063556 = 28846^2 + 26834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1552155271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97009697 + ... + 97009712.

Almost surely, 2^1552155272 is an apocalyptic number.

It is an amenable number.

1552155272 is a deficient number, since it is larger than the sum of its proper divisors (1358135878).

1552155272 is a wasteful number, since it uses less digits than its factorization.

1552155272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194019415 (or 194019411 counting only the distinct ones).

The product of its digits is 35000, while the sum is 35.

The square root of 1552155272 is about 39397.4018432688. The cubic root of 1552155272 is about 1157.8306840981.

The spelling of 1552155272 in words is "one billion, five hundred fifty-two million, one hundred fifty-five thousand, two hundred seventy-two".