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55400162 = 21931131359
BaseRepresentation
bin1101001101010…
…1011011100010
310212020121201212
43103111123202
5103140301122
65255230122
71241615336
oct323253342
9125217655
1055400162
11292a9a64
1216678342
13b62937c
1475017c6
154ce4ce2
hex34d56e2

55400162 has 32 divisors (see below), whose sum is σ = 91238400. Its totient is φ = 25131600.

The previous prime is 55400141. The next prime is 55400167. The reversal of 55400162 is 26100455.

It is not an unprimeable number, because it can be changed into a prime (55400167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154139 + ... + 154497.

It is an arithmetic number, because the mean of its divisors is an integer number (2851200).

Almost surely, 255400162 is an apocalyptic number.

55400162 is a deficient number, since it is larger than the sum of its proper divisors (35838238).

55400162 is a wasteful number, since it uses less digits than its factorization.

55400162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55400162 is about 7443.1285089000. The cubic root of 55400162 is about 381.2153195364.

The spelling of 55400162 in words is "fifty-five million, four hundred thousand, one hundred sixty-two".

Divisors: 1 2 19 31 38 62 131 262 359 589 718 1178 2489 4061 4978 6821 8122 11129 13642 22258 47029 77159 94058 154318 211451 422902 893551 1457899 1787102 2915798 27700081 55400162