65555150 has 12 divisors (see below), whose sum is σ = 121932672. Its totient is φ = 26222040.

The previous prime is 65555137. The next prime is 65555183. The reversal of 65555150 is 5155556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655502 + ... + 655601.

It is an arithmetic number, because the mean of its divisors is an integer number (10161056).

Almost surely, 2^65555150 is an apocalyptic number.

65555150 is a deficient number, since it is larger than the sum of its proper divisors (56377522).

65555150 is a wasteful number, since it uses less digits than its factorization.

65555150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311115 (or 1311110 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 65555150 is about 8096.6134896017. The cubic root of 65555150 is about 403.2140021422.

The spelling of 65555150 in words is "sixty-five million, five hundred fifty-five thousand, one hundred fifty".