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54446438831 = 617331217687
BaseRepresentation
bin110010101101010000…
…101011100110101111
312012112110120200000112
4302231100223212233
51343001242020311
641002400050235
73635143044161
oct625520534657
9165473520015
1054446438831
11210aa660394
12a67600397b
135199012215
1428c7096931
151639e0328b
hexcad42b9af

54446438831 has 8 divisors (see below), whose sum is σ = 55414545504. Its totient is φ = 53480769120.

The previous prime is 54446438807. The next prime is 54446438863. The reversal of 54446438831 is 13883464445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-54446438831 is a prime.

It is a super-2 number, since 2×544464388312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54446438831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54446437831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564131 + ... + 653556.

It is an arithmetic number, because the mean of its divisors is an integer number (6926818188).

Almost surely, 254446438831 is an apocalyptic number.

54446438831 is a deficient number, since it is larger than the sum of its proper divisors (968106673).

54446438831 is a wasteful number, since it uses less digits than its factorization.

54446438831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218481.

The product of its digits is 4423680, while the sum is 50.

The spelling of 54446438831 in words is "fifty-four billion, four hundred forty-six million, four hundred thirty-eight thousand, eight hundred thirty-one".

Divisors: 1 61 733 44713 1217687 74278907 892564571 54446438831