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55371534 = 2323401243
BaseRepresentation
bin1101001100111…
…0011100001110
310212012011110120
43103032130032
5103133342114
65254445410
71241436021
oct323163416
9125164416
1055371534
112928a4a9
1216663866
13b61932a
1474d51b8
154cdb5a9
hex34ce70e

55371534 has 16 divisors (see below), whose sum is σ = 115558272. Its totient is φ = 17654648.

The previous prime is 55371467. The next prime is 55371539. The reversal of 55371534 is 43517355.

It is a junction number, because it is equal to n+sod(n) for n = 55371495 and 55371504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55371539) 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, 200484 + ... + 200759.

It is an arithmetic number, because the mean of its divisors is an integer number (7222392).

Almost surely, 255371534 is an apocalyptic number.

55371534 is an abundant number, since it is smaller than the sum of its proper divisors (60186738).

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

55371534 is a wasteful number, since it uses less digits than its factorization.

55371534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401271.

The product of its digits is 31500, while the sum is 33.

The square root of 55371534 is about 7441.2051443298. The cubic root of 55371534 is about 381.1496439610.

Adding to 55371534 its reverse (43517355), we get a palindrome (98888889).

The spelling of 55371534 in words is "fifty-five million, three hundred seventy-one thousand, five hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 401243 802486 1203729 2407458 9228589 18457178 27685767 55371534