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54307475485 = 512498696153
BaseRepresentation
bin110010100100111110…
…100101000000011101
312012011210002121010221
4302210332211000131
51342210203203420
640540513401341
73631534632214
oct624476450035
9165153077127
1054307475485
112103917714a
12a637569251
1351762a89a3
1428b284207b
15162cb03caa
hexca4fa501d

54307475485 has 8 divisors (see below), whose sum is σ = 65221155000. Its totient is φ = 43411190784.

The previous prime is 54307475483. The next prime is 54307475507. The reversal of 54307475485 is 58457470345.

It can be written as a sum of positive squares in 4 ways, for example, as 3999677049 + 50307798436 = 63243^2 + 224294^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54307475485 - 21 = 54307475483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54307475483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341832 + ... + 4354321.

It is an arithmetic number, because the mean of its divisors is an integer number (8152644375).

Almost surely, 254307475485 is an apocalyptic number.

It is an amenable number.

54307475485 is a deficient number, since it is larger than the sum of its proper divisors (10913679515).

54307475485 is a wasteful number, since it uses less digits than its factorization.

54307475485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697407.

The product of its (nonzero) digits is 9408000, while the sum is 52.

The spelling of 54307475485 in words is "fifty-four billion, three hundred seven million, four hundred seventy-five thousand, four hundred eighty-five".

Divisors: 1 5 1249 6245 8696153 43480765 10861495097 54307475485