180953055 has 96 divisors (see below), whose sum is σ = 351129600. Its totient is φ = 88350912.

The previous prime is 180953053. The next prime is 180953081. The reversal of 180953055 is 550359081.

It is a happy number.

It is not a de Polignac number, because 180953055 - 2¹ = 180953053 is a prime.

It is a super-2 number, since 2×180953055² = 65488016227666050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180953053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2290506 + ... + 2290584.

It is an arithmetic number, because the mean of its divisors is an integer number (3657600).

Almost surely, 2^180953055 is an apocalyptic number.

180953055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

180953055 is a deficient number, since it is larger than the sum of its proper divisors (170176545).

180953055 is a wasteful number, since it uses less digits than its factorization.

180953055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 180953055 is about 13451.8792367461. The cubic root of 180953055 is about 565.6163738294.

The spelling of 180953055 in words is "one hundred eighty million, nine hundred fifty-three thousand, fifty-five".