155055054 has 128 divisors (see below), whose sum is σ = 408084480. Its totient is φ = 38102400.

The previous prime is 155055041. The next prime is 155055077. The reversal of 155055054 is 450550551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 951177 + ... + 951339.

It is an arithmetic number, because the mean of its divisors is an integer number (3188160).

Almost surely, 2^155055054 is an apocalyptic number.

155055054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155055054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204042240).

155055054 is an abundant number, since it is smaller than the sum of its proper divisors (253029426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155055054 is a wasteful number, since it uses less digits than its factorization.

155055054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 155055054 is about 12452.1104235387. The cubic root of 155055054 is about 537.2321264104.

It can be divided in two parts, 1 and 55055054, that added together give a palindrome (55055055).

The spelling of 155055054 in words is "one hundred fifty-five million, fifty-five thousand, fifty-four".