155550648 has 32 divisors (see below), whose sum is σ = 424229760. Its totient is φ = 47136480.

The previous prime is 155550643. The next prime is 155550649. The reversal of 155550648 is 846055551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155550643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294340 + ... + 294867.

It is an arithmetic number, because the mean of its divisors is an integer number (13257180).

Almost surely, 2^155550648 is an apocalyptic number.

It is an amenable number.

155550648 is an abundant number, since it is smaller than the sum of its proper divisors (268679112).

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

155550648 is a wasteful number, since it uses less digits than its factorization.

155550648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589227 (or 589223 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 155550648 is about 12471.9945477859. The cubic root of 155550648 is about 537.8038929077.

The spelling of 155550648 in words is "one hundred fifty-five million, five hundred fifty thousand, six hundred forty-eight".