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55263898 = 2139269739
BaseRepresentation
bin1101001011010…
…0001010011010
310211222200211001
43102310022122
5103121421043
65252255214
71240510144
oct322641232
9124880731
1055263898
1129216648
121661150a
13b5ac341
1474a7c94
154cb974d
hex34b429a

55263898 has 16 divisors (see below), whose sum is σ = 83916000. Its totient is φ = 27294192.

The previous prime is 55263877. The next prime is 55263899. The reversal of 55263898 is 89836255.

It is not an unprimeable number, because it can be changed into a prime (55263899) 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, 74413 + ... + 75151.

It is an arithmetic number, because the mean of its divisors is an integer number (5244750).

Almost surely, 255263898 is an apocalyptic number.

55263898 is a deficient number, since it is larger than the sum of its proper divisors (28652102).

55263898 is a wasteful number, since it uses less digits than its factorization.

55263898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its digits is 518400, while the sum is 46.

The square root of 55263898 is about 7433.9691955240. The cubic root of 55263898 is about 380.9025131594.

The spelling of 55263898 in words is "fifty-five million, two hundred sixty-three thousand, eight hundred ninety-eight".

Divisors: 1 2 139 269 278 538 739 1478 37391 74782 102721 198791 205442 397582 27631949 55263898