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53033045520 = 243571343149379
BaseRepresentation
bin110001011001000001…
…000000111000010000
312001212222000211220010
4301121001000320100
51332102424424040
640210230114520
73555131310030
oct613101007020
9161788024803
1053033045520
1120544854044
12a3407aba40
135002254510
1427d14998c0
1515a5cb4e80
hexc59040e10

53033045520 has 640 divisors, whose sum is σ = 208986624000. Its totient is φ = 10827177984.

The previous prime is 53033045459. The next prime is 53033045539. The reversal of 53033045520 is 2554033035.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 139928691 + ... + 139929069.

It is an arithmetic number, because the mean of its divisors is an integer number (326541600).

Almost surely, 253033045520 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 53033045520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104493312000).

53033045520 is an abundant number, since it is smaller than the sum of its proper divisors (155953578480).

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

53033045520 is a wasteful number, since it uses less digits than its factorization.

53033045520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 601 counting only the distinct ones).

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

Adding to 53033045520 its reverse (2554033035), we get a palindrome (55587078555).

The spelling of 53033045520 in words is "fifty-three billion, thirty-three million, forty-five thousand, five hundred twenty".