155650556 has 12 divisors (see below), whose sum is σ = 273070560. Its totient is φ = 77630400.

The previous prime is 155650543. The next prime is 155650639. The reversal of 155650556 is 655056551.

155650556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46916 + ... + 50123.

It is an arithmetic number, because the mean of its divisors is an integer number (22755880).

Almost surely, 2^155650556 is an apocalyptic number.

It is an amenable number.

155650556 is a deficient number, since it is larger than the sum of its proper divisors (117420004).

155650556 is a wasteful number, since it uses less digits than its factorization.

155650556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97444 (or 97442 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 155650556 is about 12475.9991984610. Note that the first 3 decimals coincide. The cubic root of 155650556 is about 537.9190095650.

The spelling of 155650556 in words is "one hundred fifty-five million, six hundred fifty thousand, five hundred fifty-six".