156530055 has 32 divisors (see below), whose sum is σ = 273777408. Its totient is φ = 75737600.

The previous prime is 156530053. The next prime is 156530057. The reversal of 156530055 is 550035651.

156530055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156530053) and next prime (156530057).

It is not a de Polignac number, because 156530055 - 2¹ = 156530053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156530051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159727 + ... + 160703.

It is an arithmetic number, because the mean of its divisors is an integer number (8555544).

Almost surely, 2^156530055 is an apocalyptic number.

156530055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156530055 is a deficient number, since it is larger than the sum of its proper divisors (117247353).

156530055 is a wasteful number, since it uses less digits than its factorization.

156530055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 156530055 is about 12511.1971849220. The cubic root of 156530055 is about 538.9302725547.

The spelling of 156530055 in words is "one hundred fifty-six million, five hundred thirty thousand, fifty-five".