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53012432000 = 2753111983191
BaseRepresentation
bin110001010111110010…
…011000010010000000
312001211112020120110102
4301113302120102000
51332032140311000
640204212221532
73554461144223
oct612762302200
9161745216412
1053012432000
1120534154880
12a33590a8a8
134ccabb7a78
1427cc8515ba
1515a40923d5
hexc57c98480

53012432000 has 512 divisors, whose sum is σ = 153977241600. Its totient is φ = 17948160000.

The previous prime is 53012431993. The next prime is 53012432041. The reversal of 53012432000 is 23421035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 277551905 + ... + 277552095.

It is an arithmetic number, because the mean of its divisors is an integer number (300736800).

Almost surely, 253012432000 is an apocalyptic number.

53012432000 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 53012432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76988620800).

53012432000 is an abundant number, since it is smaller than the sum of its proper divisors (100964809600).

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

53012432000 is a wasteful number, since it uses less digits than its factorization.

53012432000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 53012432000 its reverse (23421035), we get a palindrome (53035853035).

The spelling of 53012432000 in words is "fifty-three billion, twelve million, four hundred thirty-two thousand".