155550116 has 6 divisors (see below), whose sum is σ = 272212710. Its totient is φ = 77775056.

The previous prime is 155550103. The next prime is 155550121. The reversal of 155550116 is 611055551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 144961600 + 10588516 = 12040^2 + 3254^2 .

It is a super-2 number, since 2×155550116² = 48391677175226912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19443761 + ... + 19443768.

It is an arithmetic number, because the mean of its divisors is an integer number (45368785).

Almost surely, 2^155550116 is an apocalyptic number.

It is an amenable number.

155550116 is a deficient number, since it is larger than the sum of its proper divisors (116662594).

155550116 is a wasteful number, since it uses less digits than its factorization.

155550116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38887533 (or 38887531 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 155550116 is about 12471.9732199841. The cubic root of 155550116 is about 537.8032797912.

The spelling of 155550116 in words is "one hundred fifty-five million, five hundred fifty thousand, one hundred sixteen".