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53992477 = 7112343709
BaseRepresentation
bin1100110111110…
…1110000011101
310202121002202101
43031331300131
5102310224402
65205125101
71223633320
oct315756035
9122532671
1053992477
1128528390
12160b9791
13b255716
1472567b7
154b17b87
hex337dc1d

53992477 has 32 divisors (see below), whose sum is σ = 71976960. Its totient is φ = 39251520.

The previous prime is 53992469. The next prime is 53992487. The reversal of 53992477 is 77429935.

It is not a de Polignac number, because 53992477 - 23 = 53992469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53992487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75799 + ... + 76507.

It is an arithmetic number, because the mean of its divisors is an integer number (2249280).

Almost surely, 253992477 is an apocalyptic number.

It is an amenable number.

53992477 is a deficient number, since it is larger than the sum of its proper divisors (17984483).

53992477 is a wasteful number, since it uses less digits than its factorization.

53992477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 476280, while the sum is 46.

The square root of 53992477 is about 7347.9573352055. The cubic root of 53992477 is about 377.9587615865.

The spelling of 53992477 in words is "fifty-three million, nine hundred ninety-two thousand, four hundred seventy-seven".

Divisors: 1 7 11 23 43 77 161 253 301 473 709 989 1771 3311 4963 6923 7799 10879 16307 30487 54593 76153 114149 179377 213409 335357 701201 1255639 2347499 4908407 7713211 53992477