53233550040 has 256 divisors, whose sum is σ = 177666048000. Its totient is φ = 12651015680.

The previous prime is 53233550023. The next prime is 53233550047. The reversal of 53233550040 is 4005533235.

53233550040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53233550040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53233550047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37303807 + ... + 37305233.

It is an arithmetic number, because the mean of its divisors is an integer number (694008000).

Almost surely, 2^53233550040 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 53233550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88833024000).

53233550040 is an abundant number, since it is smaller than the sum of its proper divisors (124432497960).

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

53233550040 is a wasteful number, since it uses less digits than its factorization.

53233550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 53233550040 in words is "fifty-three billion, two hundred thirty-three million, five hundred fifty thousand, forty".