65553142153500 has 432 divisors, whose sum is σ = 231240596801760. Its totient is φ = 15586623590400.

The previous prime is 65553142153439. The next prime is 65553142153531. The reversal of 65553142153500 is 535124135556.

65553142153500 is a `hidden beast` number, since 6 + 5 + 5 + 53 + 1 + 42 + 1 + 53 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 23383024 + ... + 26035976.

Almost surely, 2^{65553142153500} is an apocalyptic number.

65553142153500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65553142153500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115620298400880).

65553142153500 is an abundant number, since it is smaller than the sum of its proper divisors (165687454648260).

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

65553142153500 is a wasteful number, since it uses less digits than its factorization.

65553142153500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653031 (or 2652999 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 65553142153500 in words is "sixty-five trillion, five hundred fifty-three billion, one hundred forty-two million, one hundred fifty-three thousand, five hundred".