155610055 has 8 divisors (see below), whose sum is σ = 187200144. Its totient is φ = 124176000.

The previous prime is 155610043. The next prime is 155610071. The reversal of 155610055 is 550016551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155610055 - 2⁵ = 155610023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36801 + ... + 40810.

It is an arithmetic number, because the mean of its divisors is an integer number (23400018).

Almost surely, 2^155610055 is an apocalyptic number.

155610055 is a deficient number, since it is larger than the sum of its proper divisors (31590089).

155610055 is an equidigital number, since it uses as much as digits as its factorization.

155610055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78017.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 155610055 is about 12474.3759362944. The cubic root of 155610055 is about 537.8723491733.

It can be divided in two parts, 1556 and 10055, that added together give a palindrome (11611).

The spelling of 155610055 in words is "one hundred fifty-five million, six hundred ten thousand, fifty-five".