53336155040 has 144 divisors (see below), whose sum is σ = 151634284200. Its totient is φ = 17656031232.

The previous prime is 53336155039. The next prime is 53336155051. The reversal of 53336155040 is 4055163335.

It can be written as a sum of positive squares in 4 ways, for example, as 48595557136 + 4740597904 = 220444^2 + 68852^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110066 + ... + 344654.

Almost surely, 2^53336155040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53336155040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75817142100).

53336155040 is an abundant number, since it is smaller than the sum of its proper divisors (98298129160).

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

53336155040 is a wasteful number, since it uses less digits than its factorization.

53336155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234647 (or 234632 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 53336155040 in words is "fifty-three billion, three hundred thirty-six million, one hundred fifty-five thousand, forty".