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57053477 = 1333113259
BaseRepresentation
bin1101100110100…
…1000100100101
310222100121122202
43121221010211
5104101202402
65354504245
71261642445
oct331510445
9128317582
1057053477
112a229138
1217135085
13ba87a70
147812125
15501eb02
hex3669125

57053477 has 8 divisors (see below), whose sum is σ = 61632480. Its totient is φ = 52501680.

The previous prime is 57053471. The next prime is 57053489. The reversal of 57053477 is 77435075.

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 57053477 - 24 = 57053461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57053477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57053471) 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, 2327 + ... + 10932.

It is an arithmetic number, because the mean of its divisors is an integer number (7704060).

Almost surely, 257053477 is an apocalyptic number.

It is an amenable number.

57053477 is a deficient number, since it is larger than the sum of its proper divisors (4579003).

57053477 is a wasteful number, since it uses less digits than its factorization.

57053477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13603.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 57053477 is about 7553.3752058269. The cubic root of 57053477 is about 384.9704300672.

The spelling of 57053477 in words is "fifty-seven million, fifty-three thousand, four hundred seventy-seven".

Divisors: 1 13 331 4303 13259 172367 4388729 57053477