155535056 has 20 divisors (see below), whose sum is σ = 301676004. Its totient is φ = 77683200.

The previous prime is 155535053. The next prime is 155535071. The reversal of 155535056 is 650535551.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 75968656 = 8920^2 + 8716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155535053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11576 + ... + 21096.

Almost surely, 2^155535056 is an apocalyptic number.

155535056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155535056 is a deficient number, since it is larger than the sum of its proper divisors (146140948).

155535056 is a wasteful number, since it uses less digits than its factorization.

155535056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550 (or 10544 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 35.

The square root of 155535056 is about 12471.3694516681. The cubic root of 155535056 is about 537.7859229440.

The spelling of 155535056 in words is "one hundred fifty-five million, five hundred thirty-five thousand, fifty-six".