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53891552 = 25111311777
BaseRepresentation
bin1100110110010…
…1000111100000
310202101222022102
43031211013200
5102244012202
65203025532
71223033141
oct315450740
9122358272
1053891552
1128469580
121606b2a8
13b21b7c0
14722bac8
154ae7d02
hex33651e0

53891552 has 48 divisors (see below), whose sum is σ = 124658352. Its totient is φ = 22609920.

The previous prime is 53891527. The next prime is 53891597. The reversal of 53891552 is 25519835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (2597049).

Almost surely, 253891552 is an apocalyptic number.

53891552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53891552 is an abundant number, since it is smaller than the sum of its proper divisors (70766800).

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

53891552 is a wasteful number, since it uses less digits than its factorization.

53891552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11811 (or 11803 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 53891552 is about 7341.0865680770. The cubic root of 53891552 is about 377.7231159154.

The spelling of 53891552 in words is "fifty-three million, eight hundred ninety-one thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 88 104 143 176 208 286 352 416 572 1144 2288 4576 11777 23554 47108 94216 129547 153101 188432 259094 306202 376864 518188 612404 1036376 1224808 1684111 2072752 2449616 3368222 4145504 4899232 6736444 13472888 26945776 53891552