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55852831 = 531053827
BaseRepresentation
bin1101010100001…
…1111100011111
310220002121200101
43111003330133
5103244242311
65313041531
71245512146
oct325037437
9126077611
1055852831
1129589071
12168562a7
13b757418
1475bc75d
154d83ec1
hex3543f1f

55852831 has 4 divisors (see below), whose sum is σ = 56906712. Its totient is φ = 54798952.

The previous prime is 55852813. The next prime is 55852843. The reversal of 55852831 is 13825855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55852831 - 27 = 55852703 is a prime.

It is a super-2 number, since 2×558528312 = 6239077461429122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55852331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526861 + ... + 526966.

It is an arithmetic number, because the mean of its divisors is an integer number (14226678).

Almost surely, 255852831 is an apocalyptic number.

55852831 is a deficient number, since it is larger than the sum of its proper divisors (1053881).

55852831 is a wasteful number, since it uses less digits than its factorization.

55852831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053880.

The product of its digits is 48000, while the sum is 37.

The square root of 55852831 is about 7473.4751621986. The cubic root of 55852831 is about 382.2507947131.

The spelling of 55852831 in words is "fifty-five million, eight hundred fifty-two thousand, eight hundred thirty-one".

Divisors: 1 53 1053827 55852831