155416552 has 8 divisors (see below), whose sum is σ = 291406050. Its totient is φ = 77708272.

The previous prime is 155416549. The next prime is 155416559. The reversal of 155416552 is 255614551.

It can be written as a sum of positive squares in only one way, i.e., 137217796 + 18198756 = 11714^2 + 4266^2 .

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 (155416559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9713527 + ... + 9713542.

Almost surely, 2^155416552 is an apocalyptic number.

It is an amenable number.

155416552 is a deficient number, since it is larger than the sum of its proper divisors (135989498).

155416552 is a wasteful number, since it uses less digits than its factorization.

155416552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19427075 (or 19427071 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 155416552 is about 12466.6175043594. The cubic root of 155416552 is about 537.6493064217.

The spelling of 155416552 in words is "one hundred fifty-five million, four hundred sixteen thousand, five hundred fifty-two".