51653955150000 has 3600 divisors, whose sum is σ = 234865320094944. Its totient is φ = 10886400000000.

The previous prime is 51653955149957. The next prime is 51653955150013. The reversal of 51653955150000 is 5155935615.

51653955150000 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 3 + 95 + 51 + 500 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3600).

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

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 205792649875 + ... + 205792650125.

Almost surely, 2^{51653955150000} is an apocalyptic number.

51653955150000 is a gapful number since it is divisible by the number (50) 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 51653955150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117432660047472).

51653955150000 is an abundant number, since it is smaller than the sum of its proper divisors (183211364944944).

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

51653955150000 is a wasteful number, since it uses less digits than its factorization.

51653955150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 506250, while the sum is 45.

The spelling of 51653955150000 in words is "fifty-one trillion, six hundred fifty-three billion, nine hundred fifty-five million, one hundred fifty thousand".