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54397980000 = 25365471341
BaseRepresentation
bin110010101010010111…
…110100110101100000
312012102002101201000000
4302222113310311200
51342401340330000
640553505300000
73634014125610
oct625227646540
9165362351000
1054397980000
1121085272571
12a661934600
13518bc76460
1428c0880a40
151635a30000
hexcaa5f4d60

54397980000 has 1680 divisors, whose sum is σ = 252975846816. Its totient is φ = 11197440000.

The previous prime is 54397979953. The next prime is 54397980017. The reversal of 54397980000 is 8979345.

54397980000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 1326779980 + ... + 1326780020.

Almost surely, 254397980000 is an apocalyptic number.

54397980000 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 54397980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126487923408).

54397980000 is an abundant number, since it is smaller than the sum of its proper divisors (198577866816).

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

54397980000 is an equidigital number, since it uses as much as digits as its factorization.

54397980000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 54397980000 in words is "fifty-four billion, three hundred ninety-seven million, nine hundred eighty thousand".