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53486690348 = 227132233183191
BaseRepresentation
bin110001110100000011…
…100010000000101100
312010001120122101121102
4301310003202000230
51334020043042343
640323233222232
73602310236510
oct616403420054
9163046571542
1053486690348
112075792a123
12a448701978
135075229200
142835826140
1515d0a233b8
hexc740e202c

53486690348 has 288 divisors, whose sum is σ = 126934843392. Its totient is φ = 19249401600.

The previous prime is 53486690347. The next prime is 53486690527. The reversal of 53486690348 is 84309668435.

It is a happy number.

It is a super-2 number, since 2×534866903482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53486690293 and 53486690302.

It is not an unprimeable number, because it can be changed into a prime (53486690347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 280034933 + ... + 280035123.

It is an arithmetic number, because the mean of its divisors is an integer number (440745984).

Almost surely, 253486690348 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 53486690348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63467421696).

53486690348 is an abundant number, since it is smaller than the sum of its proper divisors (73448153044).

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

53486690348 is a wasteful number, since it uses less digits than its factorization.

53486690348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 53486690348 in words is "fifty-three billion, four hundred eighty-six million, six hundred ninety thousand, three hundred forty-eight".