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57384460554 = 2319503372461
BaseRepresentation
bin110101011100011000…
…010110000100001010
312111010012222122010220
4311130120112010022
51420010410214204
642210112050510
74101016603161
oct653430260412
9174105878126
1057384460554
1122378039613
12b155b33a36
135546906205
142ac53683d8
15175cd031d9
hexd5c61610a

57384460554 has 16 divisors (see below), whose sum is σ = 120809390880. Its totient is φ = 18121408560.

The previous prime is 57384460537. The next prime is 57384460559. The reversal of 57384460554 is 45506448375.

It is a junction number, because it is equal to n+sod(n) for n = 57384460497 and 57384460506.

It is not an unprimeable number, because it can be changed into a prime (57384460559) 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, 251686117 + ... + 251686344.

It is an arithmetic number, because the mean of its divisors is an integer number (7550586930).

Almost surely, 257384460554 is an apocalyptic number.

57384460554 is an abundant number, since it is smaller than the sum of its proper divisors (63424930326).

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

57384460554 is a wasteful number, since it uses less digits than its factorization.

57384460554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503372485.

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 57384460554 in words is "fifty-seven billion, three hundred eighty-four million, four hundred sixty thousand, five hundred fifty-four".

Divisors: 1 2 3 6 19 38 57 114 503372461 1006744922 1510117383 3020234766 9564076759 19128153518 28692230277 57384460554