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54037788220 = 225131931076879
BaseRepresentation
bin110010010100111001…
…110011011000111100
312011110222122001202201
4302110321303120330
51341132133210340
640454041201244
73622051423033
oct622471633074
9164428561681
1054037788220
1120a0aa17109
12a581190224
135132462320
142888abd71a
1516140d179a
hexc94e7363c

54037788220 has 48 divisors (see below), whose sum is σ = 122841855360. Its totient is φ = 19849015296.

The previous prime is 54037788193. The next prime is 54037788227. The reversal of 54037788220 is 2288773045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54037788227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488260 + ... + 588619.

It is an arithmetic number, because the mean of its divisors is an integer number (2559205320).

Almost surely, 254037788220 is an apocalyptic number.

It is an amenable number.

54037788220 is an abundant number, since it is smaller than the sum of its proper divisors (68804067140).

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

54037788220 is a wasteful number, since it uses less digits than its factorization.

54037788220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077094 (or 1077092 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 54037788220 in words is "fifty-four billion, thirty-seven million, seven hundred eighty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 193 260 386 772 965 1930 2509 3860 5018 10036 12545 25090 50180 1076879 2153758 4307516 5384395 10768790 13999427 21537580 27998854 55997708 69997135 139994270 207837647 279988540 415675294 831350588 1039188235 2078376470 2701889411 4156752940 5403778822 10807557644 13509447055 27018894110 54037788220